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| author | Eric Dumazet <edumazet@google.com> | 2021-11-23 14:56:07 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-11-24 17:21:42 -0800 |
| commit | fc1ca3348a74a1afaa7ffebc2b2f2cc149e11278 (patch) | |
| tree | f3a16dc7567519f4257f4caf884d4ab770f0bf92 /net/ethernet | |
| parent | 1aad9634b94ef65d72110a6fc6625c890db9667c (diff) | |
| download | linux-fc1ca3348a74a1afaa7ffebc2b2f2cc149e11278.tar.gz | |
gro: remove rcu_read_lock/rcu_read_unlock from gro_receive handlers
All gro_receive() handlers are called from dev_gro_receive() 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/ethernet')
| -rw-r--r-- | net/ethernet/eth.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index c7d9e08107cb..d4fa2f152efc 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -436,11 +436,10 @@ struct sk_buff *eth_gro_receive(struct list_head *head, struct sk_buff *skb) type = eh->h_proto; - rcu_read_lock(); ptype = gro_find_receive_by_type(type); if (ptype == NULL) { flush = 1; - goto out_unlock; + goto out; } skb_gro_pull(skb, sizeof(*eh)); @@ -450,8 +449,6 @@ struct sk_buff *eth_gro_receive(struct list_head *head, struct sk_buff *skb) ipv6_gro_receive, inet_gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final(skb, pp, flush); |