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| author | Eric Dumazet <edumazet@google.com> | 2022-06-08 09:04:32 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-06-09 21:53:55 -0700 |
| commit | 76458faeb285b1536abc3e75ea318564543269c3 (patch) | |
| tree | 1522190e6be02161ffba07a3b9adf002a559d9b8 /net/core/dev.c | |
| parent | 63fbdd3c77ec216a91a87d22821d2ecd96669a5d (diff) | |
| download | linux-76458faeb285b1536abc3e75ea318564543269c3.tar.gz | |
net: use DEBUG_NET_WARN_ON_ONCE() in dev_loopback_xmit()
One check in dev_loopback_xmit() has not caught issues
in the past.
Keep it for CONFIG_DEBUG_NET=y builds only.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 511cf5d3aade6..39cb9055da37e 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3925,7 +3925,7 @@ int dev_loopback_xmit(struct net *net, struct sock *sk, struct sk_buff *skb) skb->pkt_type = PACKET_LOOPBACK; if (skb->ip_summed == CHECKSUM_NONE) skb->ip_summed = CHECKSUM_UNNECESSARY; - WARN_ON(!skb_dst(skb)); + DEBUG_NET_WARN_ON_ONCE(!skb_dst(skb)); skb_dst_force(skb); netif_rx(skb); return 0; |