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path: root/drivers/net/wireless
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Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/rtlwifi/pci.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index dae55257f0e8..67d1ee6edcad 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -1092,16 +1092,14 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
u32 nextdescaddress;
int i;
- ring = pci_alloc_consistent(rtlpci->pdev,
- sizeof(*ring) * entries, &dma);
-
+ ring = pci_zalloc_consistent(rtlpci->pdev, sizeof(*ring) * entries,
+ &dma);
if (!ring || (unsigned long)ring & 0xFF) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"Cannot allocate TX ring (prio = %d)\n", prio);
return -ENOMEM;
}
- memset(ring, 0, sizeof(*ring) * entries);
rtlpci->tx_ring[prio].desc = ring;
rtlpci->tx_ring[prio].dma = dma;
rtlpci->tx_ring[prio].idx = 0;
@@ -1139,10 +1137,9 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw)
for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE;
rx_queue_idx++) {
rtlpci->rx_ring[rx_queue_idx].desc =
- pci_alloc_consistent(rtlpci->pdev,
- sizeof(*rtlpci->rx_ring[rx_queue_idx].
- desc) * rtlpci->rxringcount,
- &rtlpci->rx_ring[rx_queue_idx].dma);
+ pci_zalloc_consistent(rtlpci->pdev,
+ sizeof(*rtlpci->rx_ring[rx_queue_idx].desc) * rtlpci->rxringcount,
+ &rtlpci->rx_ring[rx_queue_idx].dma);
if (!rtlpci->rx_ring[rx_queue_idx].desc ||
(unsigned long)rtlpci->rx_ring[rx_queue_idx].desc & 0xFF) {
@@ -1151,10 +1148,6 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw)
return -ENOMEM;
}
- memset(rtlpci->rx_ring[rx_queue_idx].desc, 0,
- sizeof(*rtlpci->rx_ring[rx_queue_idx].desc) *
- rtlpci->rxringcount);
-
rtlpci->rx_ring[rx_queue_idx].idx = 0;
/* If amsdu_8k is disabled, set buffersize to 4096. This