diff options
Diffstat (limited to 'target/linux/lantiq/patches-5.10/0717-v6.0-net-lantiq_xrx200-confirm-skb-is-allocated-before-us.patch')
| -rw-r--r-- | target/linux/lantiq/patches-5.10/0717-v6.0-net-lantiq_xrx200-confirm-skb-is-allocated-before-us.patch | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/target/linux/lantiq/patches-5.10/0717-v6.0-net-lantiq_xrx200-confirm-skb-is-allocated-before-us.patch b/target/linux/lantiq/patches-5.10/0717-v6.0-net-lantiq_xrx200-confirm-skb-is-allocated-before-us.patch deleted file mode 100644 index 9eaec58033..0000000000 --- a/target/linux/lantiq/patches-5.10/0717-v6.0-net-lantiq_xrx200-confirm-skb-is-allocated-before-us.patch +++ /dev/null @@ -1,33 +0,0 @@ -From c8b043702dc0894c07721c5b019096cebc8c798f Mon Sep 17 00:00:00 2001 -From: Aleksander Jan Bajkowski <olek2@wp.pl> -Date: Wed, 24 Aug 2022 23:54:06 +0200 -Subject: [PATCH] net: lantiq_xrx200: confirm skb is allocated before using - -xrx200_hw_receive() assumes build_skb() always works and goes straight -to skb_reserve(). However, build_skb() can fail under memory pressure. - -Add a check in case build_skb() failed to allocate and return NULL. - -Fixes: e015593573b3 ("net: lantiq_xrx200: convert to build_skb") -Reported-by: Eric Dumazet <edumazet@google.com> -Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> -Signed-off-by: Jakub Kicinski <kuba@kernel.org> ---- - drivers/net/ethernet/lantiq_xrx200.c | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- a/drivers/net/ethernet/lantiq_xrx200.c -+++ b/drivers/net/ethernet/lantiq_xrx200.c -@@ -239,6 +239,12 @@ static int xrx200_hw_receive(struct xrx2 - } - - 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); - |