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net: add pskb_may_pull_reason() helper#7
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[ Upstream commit 1fb2d41 ] pskb_may_pull() can fail for two different reasons. Provide pskb_may_pull_reason() helper to distinguish between these reasons. It returns: SKB_NOT_DROPPED_YET : Success SKB_DROP_REASON_PKT_TOO_SMALL : packet too small SKB_DROP_REASON_NOMEM : skb->head could not be resized Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Stable-dep-of: 8bd67ebb50c0 ("net: bridge: xmit: make sure we have at least eth header len bytes") Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1fb2d41 ]
pskb_may_pull() can fail for two different reasons.
Provide pskb_may_pull_reason() helper to distinguish between these reasons.
It returns:
SKB_NOT_DROPPED_YET : Success
SKB_DROP_REASON_PKT_TOO_SMALL : packet too small
SKB_DROP_REASON_NOMEM : skb->head could not be resized
Reviewed-by: David Ahern dsahern@kernel.org
Stable-dep-of: 8bd67ebb50c0 ("net: bridge: xmit: make sure we have at least eth header len bytes")