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| author | Eric Dumazet <edumazet@google.com> | 2021-11-23 14:56:08 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-11-24 17:21:42 -0800 |
| commit | 627b94f75b82d13d1530b59155a545fd99d807db (patch) | |
| tree | 6b0cc9cd576b1c9355b9f1fdf0ab7f3d4ab44e7c /net/ipv4/udp_offload.c | |
| parent | fc1ca3348a74a1afaa7ffebc2b2f2cc149e11278 (diff) | |
| download | linux-627b94f75b82d13d1530b59155a545fd99d807db.tar.bz2 | |
gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers
All gro_complete() handlers are called from napi_gro_complete()
while rcu_read_lock() has been called.
There is no point stacking more rcu_read_lock()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/udp_offload.c')
| -rw-r--r-- | net/ipv4/udp_offload.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 3be5c083879d..6d1a4bec2614 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -667,7 +667,6 @@ int udp_gro_complete(struct sk_buff *skb, int nhoff, uh->len = newlen; - rcu_read_lock(); sk = INDIRECT_CALL_INET(lookup, udp6_lib_lookup_skb, udp4_lib_lookup_skb, skb, uh->source, uh->dest); if (sk && udp_sk(sk)->gro_complete) { @@ -688,7 +687,6 @@ int udp_gro_complete(struct sk_buff *skb, int nhoff, } else { err = udp_gro_complete_segment(skb); } - rcu_read_unlock(); if (skb->remcsum_offload) skb_shinfo(skb)->gso_type |= SKB_GSO_TUNNEL_REMCSUM; |