| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.15 038/201] net: tun: split run_ebpf_filter() and pskb_trim() into different "if statement" | Date | Wed, 27 Jul 2022 18:09:02 +0200 |
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From: Dongli Zhang <dongli.zhang@oracle.com>
[ Upstream commit 45a15d89fbcd280571eba8e5ca309e14ba6afa8f ]
No functional change.
Just to split the if statement into different conditions to use kfree_skb_reason() to trace the reason later.
Cc: Joao Martins <joao.m.martins@oracle.com> Cc: Joe Jin <joe.jin@oracle.com> Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/tun.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index ea60453fe69a..f92d6a12831f 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1097,7 +1097,10 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev) goto drop; len = run_ebpf_filter(tun, skb, len); - if (len == 0 || pskb_trim(skb, len)) + if (len == 0) + goto drop; + + if (pskb_trim(skb, len)) goto drop; if (unlikely(skb_orphan_frags_rx(skb, GFP_ATOMIC))) -- 2.35.1
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