From 6da2ec56059c3c7a7e5f729e6349e74ace1e5c57 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Tue, 12 Jun 2018 13:55:00 -0700 Subject: treewide: kmalloc() -> kmalloc_array() The kmalloc() function has a 2-factor argument form, kmalloc_array(). This patch replaces cases of: kmalloc(a * b, gfp) with: kmalloc_array(a * b, gfp) as well as handling cases of: kmalloc(a * b * c, gfp) with: kmalloc(array3_size(a, b, c), gfp) as it's slightly less ugly than: kmalloc_array(array_size(a, b), c, gfp) This does, however, attempt to ignore constant size factors like: kmalloc(4 * 1024, gfp) though any constants defined via macros get caught up in the conversion. Any factors with a sizeof() of "unsigned char", "char", and "u8" were dropped, since they're redundant. The tools/ directory was manually excluded, since it has its own implementation of kmalloc(). The Coccinelle script used for this was: // Fix redundant parens around sizeof(). @@ type TYPE; expression THING, E; @@ ( kmalloc( - (sizeof(TYPE)) * E + sizeof(TYPE) * E , ...) | kmalloc( - (sizeof(THING)) * E + sizeof(THING) * E , ...) ) // Drop single-byte sizes and redundant parens. @@ expression COUNT; typedef u8; typedef __u8; @@ ( kmalloc( - sizeof(u8) * (COUNT) + COUNT , ...) | kmalloc( - sizeof(__u8) * (COUNT) + COUNT , ...) | kmalloc( - sizeof(char) * (COUNT) + COUNT , ...) | kmalloc( - sizeof(unsigned char) * (COUNT) + COUNT , ...) | kmalloc( - sizeof(u8) * COUNT + COUNT , ...) | kmalloc( - sizeof(__u8) * COUNT + COUNT , ...) | kmalloc( - sizeof(char) * COUNT + COUNT , ...) | kmalloc( - sizeof(unsigned char) * COUNT + COUNT , ...) ) // 2-factor product with sizeof(type/expression) and identifier or constant. @@ type TYPE; expression THING; identifier COUNT_ID; constant COUNT_CONST; @@ ( - kmalloc + kmalloc_array ( - sizeof(TYPE) * (COUNT_ID) + COUNT_ID, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(TYPE) * COUNT_ID + COUNT_ID, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(TYPE) * (COUNT_CONST) + COUNT_CONST, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(TYPE) * COUNT_CONST + COUNT_CONST, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * (COUNT_ID) + COUNT_ID, sizeof(THING) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * COUNT_ID + COUNT_ID, sizeof(THING) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * (COUNT_CONST) + COUNT_CONST, sizeof(THING) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * COUNT_CONST + COUNT_CONST, sizeof(THING) , ...) ) // 2-factor product, only identifiers. @@ identifier SIZE, COUNT; @@ - kmalloc + kmalloc_array ( - SIZE * COUNT + COUNT, SIZE , ...) // 3-factor product with 1 sizeof(type) or sizeof(expression), with // redundant parens removed. @@ expression THING; identifier STRIDE, COUNT; type TYPE; @@ ( kmalloc( - sizeof(TYPE) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kmalloc( - sizeof(TYPE) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kmalloc( - sizeof(TYPE) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kmalloc( - sizeof(TYPE) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kmalloc( - sizeof(THING) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kmalloc( - sizeof(THING) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kmalloc( - sizeof(THING) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kmalloc( - sizeof(THING) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) ) // 3-factor product with 2 sizeof(variable), with redundant parens removed. @@ expression THING1, THING2; identifier COUNT; type TYPE1, TYPE2; @@ ( kmalloc( - sizeof(TYPE1) * sizeof(TYPE2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | kmalloc( - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | kmalloc( - sizeof(THING1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | kmalloc( - sizeof(THING1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | kmalloc( - sizeof(TYPE1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) | kmalloc( - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) ) // 3-factor product, only identifiers, with redundant parens removed. @@ identifier STRIDE, SIZE, COUNT; @@ ( kmalloc( - (COUNT) * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - COUNT * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - COUNT * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - (COUNT) * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - COUNT * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - (COUNT) * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - (COUNT) * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - COUNT * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) ) // Any remaining multi-factor products, first at least 3-factor products, // when they're not all constants... @@ expression E1, E2, E3; constant C1, C2, C3; @@ ( kmalloc(C1 * C2 * C3, ...) | kmalloc( - (E1) * E2 * E3 + array3_size(E1, E2, E3) , ...) | kmalloc( - (E1) * (E2) * E3 + array3_size(E1, E2, E3) , ...) | kmalloc( - (E1) * (E2) * (E3) + array3_size(E1, E2, E3) , ...) | kmalloc( - E1 * E2 * E3 + array3_size(E1, E2, E3) , ...) ) // And then all remaining 2 factors products when they're not all constants, // keeping sizeof() as the second factor argument. @@ expression THING, E1, E2; type TYPE; constant C1, C2, C3; @@ ( kmalloc(sizeof(THING) * C2, ...) | kmalloc(sizeof(TYPE) * C2, ...) | kmalloc(C1 * C2 * C3, ...) | kmalloc(C1 * C2, ...) | - kmalloc + kmalloc_array ( - sizeof(TYPE) * (E2) + E2, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(TYPE) * E2 + E2, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * (E2) + E2, sizeof(THING) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * E2 + E2, sizeof(THING) , ...) | - kmalloc + kmalloc_array ( - (E1) * E2 + E1, E2 , ...) | - kmalloc + kmalloc_array ( - (E1) * (E2) + E1, E2 , ...) | - kmalloc + kmalloc_array ( - E1 * E2 + E1, E2 , ...) ) Signed-off-by: Kees Cook --- drivers/net/ethernet/amd/lance.c | 8 ++++---- drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c | 4 ++-- drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c | 4 ++-- drivers/net/ethernet/atheros/atlx/atl2.c | 4 ++-- drivers/net/ethernet/broadcom/bnx2.c | 2 +- drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c | 4 ++-- drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c | 2 +- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 6 +++--- drivers/net/ethernet/freescale/ucc_geth.c | 12 ++++++------ drivers/net/ethernet/ibm/ibmveth.c | 2 +- drivers/net/ethernet/intel/e1000/e1000_ethtool.c | 4 ++-- drivers/net/ethernet/intel/e1000e/ethtool.c | 4 ++-- drivers/net/ethernet/intel/igb/igb_ethtool.c | 8 ++++---- drivers/net/ethernet/intel/ixgb/ixgb_ethtool.c | 5 +++-- drivers/net/ethernet/intel/ixgb/ixgb_main.c | 5 +++-- drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 2 +- drivers/net/ethernet/mellanox/mlx4/cmd.c | 6 +++--- drivers/net/ethernet/mellanox/mlx4/eq.c | 5 +++-- drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 10 ++++++---- drivers/net/ethernet/moxa/moxart_ether.c | 8 ++++---- drivers/net/ethernet/nvidia/forcedeth.c | 6 ++++-- drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 2 +- drivers/net/ethernet/qlogic/qed/qed_mcp.c | 6 +++--- drivers/net/ethernet/qlogic/qlge/qlge_main.c | 3 ++- drivers/net/gtp.c | 6 ++++-- drivers/net/hippi/rrunner.c | 2 +- drivers/net/team/team.c | 3 ++- drivers/net/usb/asix_common.c | 8 ++++---- drivers/net/usb/ax88179_178a.c | 4 ++-- drivers/net/usb/usbnet.c | 4 ++-- drivers/net/virtio_net.c | 4 ++-- drivers/net/wireless/ath/ath5k/phy.c | 3 ++- drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 2 +- drivers/net/wireless/ath/ath9k/hw.c | 4 ++-- .../net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c | 8 ++++---- drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c | 5 +++-- drivers/net/wireless/cisco/airo.c | 2 +- drivers/net/wireless/intel/ipw2x00/ipw2100.c | 11 ++++++----- drivers/net/wireless/intel/ipw2x00/ipw2200.c | 10 +++++----- drivers/net/wireless/intersil/hostap/hostap_info.c | 5 +++-- drivers/net/wireless/intersil/hostap/hostap_ioctl.c | 4 ++-- drivers/net/wireless/zydas/zd1211rw/zd_mac.c | 3 ++- 42 files changed, 113 insertions(+), 97 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/amd/lance.c b/drivers/net/ethernet/amd/lance.c index 12a6a93d221b..b56d84c7df46 100644 --- a/drivers/net/ethernet/amd/lance.c +++ b/drivers/net/ethernet/amd/lance.c @@ -551,13 +551,13 @@ static int __init lance_probe1(struct net_device *dev, int ioaddr, int irq, int if (lance_debug > 6) printk(" (#0x%05lx)", (unsigned long)lp); dev->ml_priv = lp; lp->name = chipname; - lp->rx_buffs = (unsigned long)kmalloc(PKT_BUF_SZ*RX_RING_SIZE, - GFP_DMA | GFP_KERNEL); + lp->rx_buffs = (unsigned long)kmalloc_array(RX_RING_SIZE, PKT_BUF_SZ, + GFP_DMA | GFP_KERNEL); if (!lp->rx_buffs) goto out_lp; if (lance_need_isa_bounce_buffers) { - lp->tx_bounce_buffs = kmalloc(PKT_BUF_SZ*TX_RING_SIZE, - GFP_DMA | GFP_KERNEL); + lp->tx_bounce_buffs = kmalloc_array(TX_RING_SIZE, PKT_BUF_SZ, + GFP_DMA | GFP_KERNEL); if (!lp->tx_bounce_buffs) goto out_rx; } else diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c b/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c index cfe86a20c899..28e9ae1a193b 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c @@ -209,8 +209,8 @@ static int atl1c_get_eeprom(struct net_device *netdev, first_dword = eeprom->offset >> 2; last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - eeprom_buff = kmalloc(sizeof(u32) * - (last_dword - first_dword + 1), GFP_KERNEL); + eeprom_buff = kmalloc_array(last_dword - first_dword + 1, sizeof(u32), + GFP_KERNEL); if (eeprom_buff == NULL) return -ENOMEM; diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c b/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c index cb489e7e8374..282ebdde4769 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c @@ -236,8 +236,8 @@ static int atl1e_get_eeprom(struct net_device *netdev, first_dword = eeprom->offset >> 2; last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - eeprom_buff = kmalloc(sizeof(u32) * - (last_dword - first_dword + 1), GFP_KERNEL); + eeprom_buff = kmalloc_array(last_dword - first_dword + 1, sizeof(u32), + GFP_KERNEL); if (eeprom_buff == NULL) return -ENOMEM; diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c index db4bcc51023a..bb41becb6609 100644 --- a/drivers/net/ethernet/atheros/atlx/atl2.c +++ b/drivers/net/ethernet/atheros/atlx/atl2.c @@ -1941,8 +1941,8 @@ static int atl2_get_eeprom(struct net_device *netdev, first_dword = eeprom->offset >> 2; last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - eeprom_buff = kmalloc(sizeof(u32) * (last_dword - first_dword + 1), - GFP_KERNEL); + eeprom_buff = kmalloc_array(last_dword - first_dword + 1, sizeof(u32), + GFP_KERNEL); if (!eeprom_buff) return -ENOMEM; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 3853296d78c1..e13bf3b4636d 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -2666,7 +2666,7 @@ bnx2_alloc_bad_rbuf(struct bnx2 *bp) u32 good_mbuf_cnt; u32 val; - good_mbuf = kmalloc(512 * sizeof(u16), GFP_KERNEL); + good_mbuf = kmalloc_array(512, sizeof(u16), GFP_KERNEL); if (!good_mbuf) return -ENOMEM; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c index 38f635cf8408..05d405905906 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c @@ -444,8 +444,8 @@ static int bnxt_vf_reps_create(struct bnxt *bp) return -ENOMEM; /* storage for cfa_code to vf-idx mapping */ - cfa_code_map = kmalloc(sizeof(*bp->cfa_code_map) * MAX_CFA_CODE, - GFP_KERNEL); + cfa_code_map = kmalloc_array(MAX_CFA_CODE, sizeof(*bp->cfa_code_map), + GFP_KERNEL); if (!cfa_code_map) { rc = -ENOMEM; goto err; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index 251d5bdc972f..c301aaf79d64 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -873,7 +873,7 @@ static int cctrl_tbl_show(struct seq_file *seq, void *v) u16 (*incr)[NCCTRL_WIN]; struct adapter *adap = seq->private; - incr = kmalloc(sizeof(*incr) * NMTUS, GFP_KERNEL); + incr = kmalloc_array(NMTUS, sizeof(*incr), GFP_KERNEL); if (!incr) return -ENOMEM; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 35cb3ae4f7b6..3001d8ed1a0c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -713,7 +713,7 @@ int cxgb4_write_rss(const struct port_info *pi, const u16 *queues) const struct sge_eth_rxq *rxq; rxq = &adapter->sge.ethrxq[pi->first_qset]; - rss = kmalloc(pi->rss_size * sizeof(u16), GFP_KERNEL); + rss = kmalloc_array(pi->rss_size, sizeof(u16), GFP_KERNEL); if (!rss) return -ENOMEM; @@ -4972,8 +4972,8 @@ static int enable_msix(struct adapter *adap) max_ingq += (MAX_OFLD_QSETS * adap->num_uld); if (is_offload(adap)) max_ingq += (MAX_OFLD_QSETS * adap->num_ofld_uld); - entries = kmalloc(sizeof(*entries) * (max_ingq + 1), - GFP_KERNEL); + entries = kmalloc_array(max_ingq + 1, sizeof(*entries), + GFP_KERNEL); if (!entries) return -ENOMEM; diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index a96b838cffce..42fca3208c0b 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -2253,9 +2253,9 @@ static int ucc_geth_alloc_tx(struct ucc_geth_private *ugeth) /* Init Tx bds */ for (j = 0; j < ug_info->numQueuesTx; j++) { /* Setup the skbuff rings */ - ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) * - ugeth->ug_info->bdRingLenTx[j], - GFP_KERNEL); + ugeth->tx_skbuff[j] = + kmalloc_array(ugeth->ug_info->bdRingLenTx[j], + sizeof(struct sk_buff *), GFP_KERNEL); if (ugeth->tx_skbuff[j] == NULL) { if (netif_msg_ifup(ugeth)) @@ -2326,9 +2326,9 @@ static int ucc_geth_alloc_rx(struct ucc_geth_private *ugeth) /* Init Rx bds */ for (j = 0; j < ug_info->numQueuesRx; j++) { /* Setup the skbuff rings */ - ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) * - ugeth->ug_info->bdRingLenRx[j], - GFP_KERNEL); + ugeth->rx_skbuff[j] = + kmalloc_array(ugeth->ug_info->bdRingLenRx[j], + sizeof(struct sk_buff *), GFP_KERNEL); if (ugeth->rx_skbuff[j] == NULL) { if (netif_msg_ifup(ugeth)) diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index c1b51edaaf62..525d8b89187b 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -171,7 +171,7 @@ static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool) { int i; - pool->free_map = kmalloc(sizeof(u16) * pool->size, GFP_KERNEL); + pool->free_map = kmalloc_array(pool->size, sizeof(u16), GFP_KERNEL); if (!pool->free_map) return -1; diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c index 5d365a986bb0..bdb3f8e65ed4 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c +++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c @@ -435,8 +435,8 @@ static int e1000_get_eeprom(struct net_device *netdev, first_word = eeprom->offset >> 1; last_word = (eeprom->offset + eeprom->len - 1) >> 1; - eeprom_buff = kmalloc(sizeof(u16) * - (last_word - first_word + 1), GFP_KERNEL); + eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16), + GFP_KERNEL); if (!eeprom_buff) return -ENOMEM; diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c index e084cb734eb1..02ebf208f48b 100644 --- a/drivers/net/ethernet/intel/e1000e/ethtool.c +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c @@ -509,8 +509,8 @@ static int e1000_get_eeprom(struct net_device *netdev, first_word = eeprom->offset >> 1; last_word = (eeprom->offset + eeprom->len - 1) >> 1; - eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1), - GFP_KERNEL); + eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16), + GFP_KERNEL); if (!eeprom_buff) return -ENOMEM; diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 2d798499d35e..0edd3cdd84b0 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -736,8 +736,8 @@ static int igb_get_eeprom(struct net_device *netdev, first_word = eeprom->offset >> 1; last_word = (eeprom->offset + eeprom->len - 1) >> 1; - eeprom_buff = kmalloc(sizeof(u16) * - (last_word - first_word + 1), GFP_KERNEL); + eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16), + GFP_KERNEL); if (!eeprom_buff) return -ENOMEM; @@ -3245,8 +3245,8 @@ static int igb_get_module_eeprom(struct net_device *netdev, first_word = ee->offset >> 1; last_word = (ee->offset + ee->len - 1) >> 1; - dataword = kmalloc(sizeof(u16) * (last_word - first_word + 1), - GFP_KERNEL); + dataword = kmalloc_array(last_word - first_word + 1, sizeof(u16), + GFP_KERNEL); if (!dataword) return -ENOMEM; diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_ethtool.c b/drivers/net/ethernet/intel/ixgb/ixgb_ethtool.c index 43744bf0fc1c..c8c93ac436d4 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_ethtool.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_ethtool.c @@ -375,8 +375,9 @@ ixgb_get_eeprom(struct net_device *netdev, first_word = eeprom->offset >> 1; last_word = (eeprom->offset + eeprom->len - 1) >> 1; - eeprom_buff = kmalloc(sizeof(__le16) * - (last_word - first_word + 1), GFP_KERNEL); + eeprom_buff = kmalloc_array(last_word - first_word + 1, + sizeof(__le16), + GFP_KERNEL); if (!eeprom_buff) return -ENOMEM; diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index 62f2173bc20e..43664adf7a3c 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -1093,8 +1093,9 @@ ixgb_set_multi(struct net_device *netdev) rctl |= IXGB_RCTL_MPE; IXGB_WRITE_REG(hw, RCTL, rctl); } else { - u8 *mta = kmalloc(IXGB_MAX_NUM_MULTICAST_ADDRESSES * - ETH_ALEN, GFP_ATOMIC); + u8 *mta = kmalloc_array(ETH_ALEN, + IXGB_MAX_NUM_MULTICAST_ADDRESSES, + GFP_ATOMIC); u8 *addr; if (!mta) goto alloc_failed; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index bdd179c29ea4..be2636ea945b 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -901,7 +901,7 @@ static int ixgbe_get_eeprom(struct net_device *netdev, last_word = (eeprom->offset + eeprom->len - 1) >> 1; eeprom_len = last_word - first_word + 1; - eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL); + eeprom_buff = kmalloc_array(eeprom_len, sizeof(u16), GFP_KERNEL); if (!eeprom_buff) return -ENOMEM; diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 6a9086dc1e92..03375c705df7 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -2636,9 +2636,9 @@ int mlx4_cmd_use_events(struct mlx4_dev *dev) int i; int err = 0; - priv->cmd.context = kmalloc(priv->cmd.max_cmds * - sizeof(struct mlx4_cmd_context), - GFP_KERNEL); + priv->cmd.context = kmalloc_array(priv->cmd.max_cmds, + sizeof(struct mlx4_cmd_context), + GFP_KERNEL); if (!priv->cmd.context) return -ENOMEM; diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index 6f57c052053e..1f3372c1802e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -1211,8 +1211,9 @@ int mlx4_init_eq_table(struct mlx4_dev *dev) } priv->eq_table.irq_names = - kmalloc(MLX4_IRQNAME_SIZE * (dev->caps.num_comp_vectors + 1), - GFP_KERNEL); + kmalloc_array(MLX4_IRQNAME_SIZE, + (dev->caps.num_comp_vectors + 1), + GFP_KERNEL); if (!priv->eq_table.irq_names) { err = -ENOMEM; goto err_out_clr_int; diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 29e50f787349..b0e11255a355 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -507,10 +507,12 @@ int mlx4_init_resource_tracker(struct mlx4_dev *dev) for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { struct resource_allocator *res_alloc = &priv->mfunc.master.res_tracker.res_alloc[i]; - res_alloc->quota = kmalloc((dev->persist->num_vfs + 1) * - sizeof(int), GFP_KERNEL); - res_alloc->guaranteed = kmalloc((dev->persist->num_vfs + 1) * - sizeof(int), GFP_KERNEL); + res_alloc->quota = kmalloc_array(dev->persist->num_vfs + 1, + sizeof(int), + GFP_KERNEL); + res_alloc->guaranteed = kmalloc_array(dev->persist->num_vfs + 1, + sizeof(int), + GFP_KERNEL); if (i == RES_MAC || i == RES_VLAN) res_alloc->allocated = kzalloc(MLX4_MAX_PORTS * (dev->persist->num_vfs diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index 2e4effa9fe45..b34055ac476f 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -507,15 +507,15 @@ static int moxart_mac_probe(struct platform_device *pdev) goto init_fail; } - priv->tx_buf_base = kmalloc(priv->tx_buf_size * TX_DESC_NUM, - GFP_ATOMIC); + priv->tx_buf_base = kmalloc_array(priv->tx_buf_size, TX_DESC_NUM, + GFP_ATOMIC); if (!priv->tx_buf_base) { ret = -ENOMEM; goto init_fail; } - priv->rx_buf_base = kmalloc(priv->rx_buf_size * RX_DESC_NUM, - GFP_ATOMIC); + priv->rx_buf_base = kmalloc_array(priv->rx_buf_size, RX_DESC_NUM, + GFP_ATOMIC); if (!priv->rx_buf_base) { ret = -ENOMEM; goto init_fail; diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index 66c665d0b926..7cbd0174459c 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -4630,8 +4630,10 @@ static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ri ring->tx_pending), &ring_addr, GFP_ATOMIC); } - rx_skbuff = kmalloc(sizeof(struct nv_skb_map) * ring->rx_pending, GFP_KERNEL); - tx_skbuff = kmalloc(sizeof(struct nv_skb_map) * ring->tx_pending, GFP_KERNEL); + rx_skbuff = kmalloc_array(ring->rx_pending, sizeof(struct nv_skb_map), + GFP_KERNEL); + tx_skbuff = kmalloc_array(ring->tx_pending, sizeof(struct nv_skb_map), + GFP_KERNEL); if (!rxtx_ring || !rx_skbuff || !tx_skbuff) { /* fall back to old rings */ if (!nv_optimized(np)) { diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index 7cd494611a74..34a1581eda95 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -2178,7 +2178,7 @@ static void pch_gbe_set_multi(struct net_device *netdev) if (mc_count >= PCH_GBE_MAR_ENTRIES) return; - mta_list = kmalloc(mc_count * ETH_ALEN, GFP_ATOMIC); + mta_list = kmalloc_array(ETH_ALEN, mc_count, GFP_ATOMIC); if (!mta_list) return; diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c index 6f9927d1a501..4e0b443c9519 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c @@ -2578,9 +2578,9 @@ int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn) goto err0; } - nvm_info->image_att = kmalloc(nvm_info->num_images * - sizeof(struct bist_nvm_image_att), - GFP_KERNEL); + nvm_info->image_att = kmalloc_array(nvm_info->num_images, + sizeof(struct bist_nvm_image_att), + GFP_KERNEL); if (!nvm_info->image_att) { rc = -ENOMEM; goto err0; diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 70de062b72a1..353f1c129af1 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -2810,7 +2810,8 @@ static int ql_alloc_tx_resources(struct ql_adapter *qdev, goto pci_alloc_err; tx_ring->q = - kmalloc(tx_ring->wq_len * sizeof(struct tx_ring_desc), GFP_KERNEL); + kmalloc_array(tx_ring->wq_len, sizeof(struct tx_ring_desc), + GFP_KERNEL); if (tx_ring->q == NULL) goto err; diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index f38e32a7ec9c..ec629a730005 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -742,11 +742,13 @@ static int gtp_hashtable_new(struct gtp_dev *gtp, int hsize) { int i; - gtp->addr_hash = kmalloc(sizeof(struct hlist_head) * hsize, GFP_KERNEL); + gtp->addr_hash = kmalloc_array(hsize, sizeof(struct hlist_head), + GFP_KERNEL); if (gtp->addr_hash == NULL) return -ENOMEM; - gtp->tid_hash = kmalloc(sizeof(struct hlist_head) * hsize, GFP_KERNEL); + gtp->tid_hash = kmalloc_array(hsize, sizeof(struct hlist_head), + GFP_KERNEL); if (gtp->tid_hash == NULL) goto err1; diff --git a/drivers/net/hippi/rrunner.c b/drivers/net/hippi/rrunner.c index f41116488079..029206e4da3b 100644 --- a/drivers/net/hippi/rrunner.c +++ b/drivers/net/hippi/rrunner.c @@ -1583,7 +1583,7 @@ static int rr_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) return -EPERM; } - image = kmalloc(EEPROM_WORDS * sizeof(u32), GFP_KERNEL); + image = kmalloc_array(EEPROM_WORDS, sizeof(u32), GFP_KERNEL); if (!image) return -ENOMEM; diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 8863fa023500..ca0af0e15a2c 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -791,7 +791,8 @@ static int team_queue_override_init(struct team *team) if (!queue_cnt) return 0; - listarr = kmalloc(sizeof(struct list_head) * queue_cnt, GFP_KERNEL); + listarr = kmalloc_array(queue_cnt, sizeof(struct list_head), + GFP_KERNEL); if (!listarr) return -ENOMEM; team->qom_lists = listarr; diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index f4d7362eb325..e95dd12edec4 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -640,8 +640,8 @@ int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, first_word = eeprom->offset >> 1; last_word = (eeprom->offset + eeprom->len - 1) >> 1; - eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1), - GFP_KERNEL); + eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16), + GFP_KERNEL); if (!eeprom_buff) return -ENOMEM; @@ -680,8 +680,8 @@ int asix_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, first_word = eeprom->offset >> 1; last_word = (eeprom->offset + eeprom->len - 1) >> 1; - eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1), - GFP_KERNEL); + eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16), + GFP_KERNEL); if (!eeprom_buff) return -ENOMEM; diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index a6ef75907ae9..9e8ad372f419 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -599,8 +599,8 @@ ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, first_word = eeprom->offset >> 1; last_word = (eeprom->offset + eeprom->len - 1) >> 1; - eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1), - GFP_KERNEL); + eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16), + GFP_KERNEL); if (!eeprom_buff) return -ENOMEM; diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index d9eea8cfe6cb..770aa624147f 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1323,8 +1323,8 @@ static int build_dma_sg(const struct sk_buff *skb, struct urb *urb) return 0; /* reserve one for zero packet */ - urb->sg = kmalloc((num_sgs + 1) * sizeof(struct scatterlist), - GFP_ATOMIC); + urb->sg = kmalloc_array(num_sgs + 1, sizeof(struct scatterlist), + GFP_ATOMIC); if (!urb->sg) return -ENOMEM; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 1619ee3070b6..15b9a83bbd9d 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2555,10 +2555,10 @@ static int virtnet_find_vqs(struct virtnet_info *vi) vqs = kzalloc(total_vqs * sizeof(*vqs), GFP_KERNEL); if (!vqs) goto err_vq; - callbacks = kmalloc(total_vqs * sizeof(*callbacks), GFP_KERNEL); + callbacks = kmalloc_array(total_vqs, sizeof(*callbacks), GFP_KERNEL); if (!callbacks) goto err_callback; - names = kmalloc(total_vqs * sizeof(*names), GFP_KERNEL); + names = kmalloc_array(total_vqs, sizeof(*names), GFP_KERNEL); if (!names) goto err_names; if (!vi->big_packets || vi->mergeable_rx_bufs) { diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c index 641b13a279e1..b1b8bc326830 100644 --- a/drivers/net/wireless/ath/ath5k/phy.c +++ b/drivers/net/wireless/ath/ath5k/phy.c @@ -890,7 +890,8 @@ ath5k_hw_rfregs_init(struct ath5k_hw *ah, * ah->ah_rf_banks based on ah->ah_rf_banks_size * we set above */ if (ah->ah_rf_banks == NULL) { - ah->ah_rf_banks = kmalloc(sizeof(u32) * ah->ah_rf_banks_size, + ah->ah_rf_banks = kmalloc_array(ah->ah_rf_banks_size, + sizeof(u32), GFP_KERNEL); if (ah->ah_rf_banks == NULL) { ATH5K_ERR(ah, "out of memory\n"); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index 6343cc91953e..34e100940284 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -925,7 +925,7 @@ int ar9003_paprd_create_curve(struct ath_hw *ah, memset(caldata->pa_table[chain], 0, sizeof(caldata->pa_table[chain])); - buf = kmalloc(2 * 48 * sizeof(u32), GFP_KERNEL); + buf = kmalloc_array(2 * 48, sizeof(u32), GFP_KERNEL); if (!buf) return -ENOMEM; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 6b37036b2d36..e60bea4604e4 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -127,13 +127,13 @@ void ath9k_hw_read_array(struct ath_hw *ah, u32 array[][2], int size) u32 *tmp_reg_list, *tmp_data; int i; - tmp_reg_list = kmalloc(size * sizeof(u32), GFP_KERNEL); + tmp_reg_list = kmalloc_array(size, sizeof(u32), GFP_KERNEL); if (!tmp_reg_list) { dev_err(ah->dev, "%s: tmp_reg_list: alloc filed\n", __func__); return; } - tmp_data = kmalloc(size * sizeof(u32), GFP_KERNEL); + tmp_data = kmalloc_array(size, sizeof(u32), GFP_KERNEL); if (!tmp_data) { dev_err(ah->dev, "%s tmp_data: alloc filed\n", __func__); goto error_tmp_data; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c index 9d830d27b229..9fb0d9fbd939 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c @@ -1387,7 +1387,7 @@ wlc_lcnphy_rx_iq_cal(struct brcms_phy *pi, s16 *ptr; struct brcms_phy_lcnphy *pi_lcn = pi->u.pi_lcnphy; - ptr = kmalloc(sizeof(s16) * 131, GFP_ATOMIC); + ptr = kmalloc_array(131, sizeof(s16), GFP_ATOMIC); if (NULL == ptr) return false; if (module == 2) { @@ -2670,7 +2670,7 @@ wlc_lcnphy_tx_iqlo_cal(struct brcms_phy *pi, u16 *values_to_save; struct brcms_phy_lcnphy *pi_lcn = pi->u.pi_lcnphy; - values_to_save = kmalloc(sizeof(u16) * 20, GFP_ATOMIC); + values_to_save = kmalloc_array(20, sizeof(u16), GFP_ATOMIC); if (NULL == values_to_save) return; @@ -3678,11 +3678,11 @@ wlc_lcnphy_a1(struct brcms_phy *pi, int cal_type, int num_levels, u16 *phy_c32; phy_c21 = 0; phy_c10 = phy_c13 = phy_c14 = phy_c8 = 0; - ptr = kmalloc(sizeof(s16) * 131, GFP_ATOMIC); + ptr = kmalloc_array(131, sizeof(s16), GFP_ATOMIC); if (NULL == ptr) return; - phy_c32 = kmalloc(sizeof(u16) * 20, GFP_ATOMIC); + phy_c32 = kmalloc_array(20, sizeof(u16), GFP_ATOMIC); if (NULL == phy_c32) { kfree(ptr); return; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c index 7e01981bc5c8..1a187557982e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c @@ -23032,7 +23032,7 @@ wlc_phy_loadsampletable_nphy(struct brcms_phy *pi, struct cordic_iq *tone_buf, u16 t; u32 *data_buf = NULL; - data_buf = kmalloc(sizeof(u32) * num_samps, GFP_ATOMIC); + data_buf = kmalloc_array(num_samps, sizeof(u32), GFP_ATOMIC); if (data_buf == NULL) return; @@ -23074,7 +23074,8 @@ wlc_phy_gen_load_samples_nphy(struct brcms_phy *pi, u32 f_kHz, u16 max_val, tbl_len = (phy_bw << 1); } - tone_buf = kmalloc(sizeof(struct cordic_iq) * tbl_len, GFP_ATOMIC); + tone_buf = kmalloc_array(tbl_len, sizeof(struct cordic_iq), + GFP_ATOMIC); if (tone_buf == NULL) return 0; diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c index ce0fbf83285f..72046e182745 100644 --- a/drivers/net/wireless/cisco/airo.c +++ b/drivers/net/wireless/cisco/airo.c @@ -7127,7 +7127,7 @@ static int airo_get_aplist(struct net_device *dev, int i; int loseSync = capable(CAP_NET_ADMIN) ? 1: -1; - qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL); + qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL); if (!qual) return -ENOMEM; diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2100.c b/drivers/net/wireless/intel/ipw2x00/ipw2100.c index 7c4f550a1475..b8fd3cc90634 100644 --- a/drivers/net/wireless/intel/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/intel/ipw2x00/ipw2100.c @@ -3445,8 +3445,9 @@ static int ipw2100_msg_allocate(struct ipw2100_priv *priv) dma_addr_t p; priv->msg_buffers = - kmalloc(IPW_COMMAND_POOL_SIZE * sizeof(struct ipw2100_tx_packet), - GFP_KERNEL); + kmalloc_array(IPW_COMMAND_POOL_SIZE, + sizeof(struct ipw2100_tx_packet), + GFP_KERNEL); if (!priv->msg_buffers) return -ENOMEM; @@ -4587,9 +4588,9 @@ static int ipw2100_rx_allocate(struct ipw2100_priv *priv) /* * allocate packets */ - priv->rx_buffers = kmalloc(RX_QUEUE_LENGTH * - sizeof(struct ipw2100_rx_packet), - GFP_KERNEL); + priv->rx_buffers = kmalloc_array(RX_QUEUE_LENGTH, + sizeof(struct ipw2100_rx_packet), + GFP_KERNEL); if (!priv->rx_buffers) { IPW_DEBUG_INFO("can't allocate rx packet buffer table\n"); diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c index f26beeb6c5ff..8a858f7e36f4 100644 --- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c @@ -3208,13 +3208,13 @@ static int ipw_load_firmware(struct ipw_priv *priv, u8 * data, size_t len) IPW_DEBUG_TRACE("<< :\n"); - virts = kmalloc(sizeof(void *) * CB_NUMBER_OF_ELEMENTS_SMALL, - GFP_KERNEL); + virts = kmalloc_array(CB_NUMBER_OF_ELEMENTS_SMALL, sizeof(void *), + GFP_KERNEL); if (!virts) return -ENOMEM; - phys = kmalloc(sizeof(dma_addr_t) * CB_NUMBER_OF_ELEMENTS_SMALL, - GFP_KERNEL); + phys = kmalloc_array(CB_NUMBER_OF_ELEMENTS_SMALL, sizeof(dma_addr_t), + GFP_KERNEL); if (!phys) { kfree(virts); return -ENOMEM; @@ -3782,7 +3782,7 @@ static int ipw_queue_tx_init(struct ipw_priv *priv, { struct pci_dev *dev = priv->pci_dev; - q->txb = kmalloc(sizeof(q->txb[0]) * count, GFP_KERNEL); + q->txb = kmalloc_array(count, sizeof(q->txb[0]), GFP_KERNEL); if (!q->txb) { IPW_ERROR("vmalloc for auxiliary BD structures failed\n"); return -ENOMEM; diff --git a/drivers/net/wireless/intersil/hostap/hostap_info.c b/drivers/net/wireless/intersil/hostap/hostap_info.c index de8a099a9386..da8c30f10d92 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_info.c +++ b/drivers/net/wireless/intersil/hostap/hostap_info.c @@ -271,8 +271,9 @@ static void prism2_info_scanresults(local_info_t *local, unsigned char *buf, left -= 4; new_count = left / sizeof(struct hfa384x_scan_result); - results = kmalloc(new_count * sizeof(struct hfa384x_hostscan_result), - GFP_ATOMIC); + results = kmalloc_array(new_count, + sizeof(struct hfa384x_hostscan_result), + GFP_ATOMIC); if (results == NULL) return; diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c index c1bc0a6ef300..1ca9731d9b14 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c @@ -513,8 +513,8 @@ static int prism2_ioctl_giwaplist(struct net_device *dev, return -EOPNOTSUPP; } - addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL); - qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL); + addr = kmalloc_array(IW_MAX_AP, sizeof(struct sockaddr), GFP_KERNEL); + qual = kmalloc_array(IW_MAX_AP, sizeof(struct iw_quality), GFP_KERNEL); if (addr == NULL || qual == NULL) { kfree(addr); kfree(qual); diff --git a/drivers/net/wireless/zydas/zd1211rw/zd_mac.c b/drivers/net/wireless/zydas/zd1211rw/zd_mac.c index b01b44a5d16e..1f6d9f357e57 100644 --- a/drivers/net/wireless/zydas/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zydas/zd1211rw/zd_mac.c @@ -732,7 +732,8 @@ static int zd_mac_config_beacon(struct ieee80211_hw *hw, struct sk_buff *beacon, /* Alloc memory for full beacon write at once. */ num_cmds = 1 + zd_chip_is_zd1211b(&mac->chip) + full_len; - ioreqs = kmalloc(num_cmds * sizeof(struct zd_ioreq32), GFP_KERNEL); + ioreqs = kmalloc_array(num_cmds, sizeof(struct zd_ioreq32), + GFP_KERNEL); if (!ioreqs) { r = -ENOMEM; goto out_nofree; -- cgit