summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/lantiq_xrx200.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-08-25 14:03:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-08-25 14:03:58 -0700
commit4c612826bec1441214816827979b62f84a097e91 (patch)
treed87a97b450d21edc0fafcfcb1e5b13020249bd60 /drivers/net/ethernet/lantiq_xrx200.c
parent3f5c20055a640b3758ece75dcaa6ac974fcae26d (diff)
parentd974730c8884cd784810b4f2fe903ac882a5fec9 (diff)
Merge tag 'net-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski: "Including fixes from ipsec and netfilter (with one broken Fixes tag). Current release - new code bugs: - dsa: don't dereference NULL extack in dsa_slave_changeupper() - dpaa: fix <1G ethernet on LS1046ARDB - neigh: don't call kfree_skb() under spin_lock_irqsave() Previous releases - regressions: - r8152: fix the RX FIFO settings when suspending - dsa: microchip: keep compatibility with device tree blobs with no phy-mode - Revert "net: macsec: update SCI upon MAC address change." - Revert "xfrm: update SA curlft.use_time", comply with RFC 2367 Previous releases - always broken: - netfilter: conntrack: work around exceeded TCP receive window - ipsec: fix a null pointer dereference of dst->dev on a metadata dst in xfrm_lookup_with_ifid - moxa: get rid of asymmetry in DMA mapping/unmapping - dsa: microchip: make learning configurable and keep it off while standalone - ice: xsk: prohibit usage of non-balanced queue id - rxrpc: fix locking in rxrpc's sendmsg Misc: - another chunk of sysctl data race silencing" * tag 'net-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits) net: lantiq_xrx200: restore buffer if memory allocation failed net: lantiq_xrx200: fix lock under memory pressure net: lantiq_xrx200: confirm skb is allocated before using net: stmmac: work around sporadic tx issue on link-up ionic: VF initial random MAC address if no assigned mac ionic: fix up issues with handling EAGAIN on FW cmds ionic: clear broken state on generation change rxrpc: Fix locking in rxrpc's sendmsg net: ethernet: mtk_eth_soc: fix hw hash reporting for MTK_NETSYS_V2 MAINTAINERS: rectify file entry in BONDING DRIVER i40e: Fix incorrect address type for IPv6 flow rules ixgbe: stop resetting SYSTIME in ixgbe_ptp_start_cyclecounter net: Fix a data-race around sysctl_somaxconn. net: Fix a data-race around netdev_unregister_timeout_secs. net: Fix a data-race around gro_normal_batch. net: Fix data-races around sysctl_devconf_inherit_init_net. net: Fix data-races around sysctl_fb_tunnels_only_for_init_net. net: Fix a data-race around netdev_budget_usecs. net: Fix data-races around sysctl_max_skb_frags. net: Fix a data-race around netdev_budget. ...
Diffstat (limited to 'drivers/net/ethernet/lantiq_xrx200.c')
-rw-r--r--drivers/net/ethernet/lantiq_xrx200.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c
index 5edb68a8aab1..57f27cc7724e 100644
--- a/drivers/net/ethernet/lantiq_xrx200.c
+++ b/drivers/net/ethernet/lantiq_xrx200.c
@@ -193,6 +193,7 @@ static int xrx200_alloc_buf(struct xrx200_chan *ch, void *(*alloc)(unsigned int
ch->rx_buff[ch->dma.desc] = alloc(priv->rx_skb_size);
if (!ch->rx_buff[ch->dma.desc]) {
+ ch->rx_buff[ch->dma.desc] = buf;
ret = -ENOMEM;
goto skip;
}
@@ -239,6 +240,12 @@ static int xrx200_hw_receive(struct xrx200_chan *ch)
}
skb = build_skb(buf, priv->rx_skb_size);
+ if (!skb) {
+ skb_free_frag(buf);
+ net_dev->stats.rx_dropped++;
+ return -ENOMEM;
+ }
+
skb_reserve(skb, NET_SKB_PAD);
skb_put(skb, len);
@@ -288,7 +295,7 @@ static int xrx200_poll_rx(struct napi_struct *napi, int budget)
if (ret == XRX200_DMA_PACKET_IN_PROGRESS)
continue;
if (ret != XRX200_DMA_PACKET_COMPLETE)
- return ret;
+ break;
rx++;
} else {
break;