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authorEric Dumazet <edumazet@google.com>2021-11-23 14:56:07 -0800
committerJakub Kicinski <kuba@kernel.org>2021-11-24 17:21:42 -0800
commitfc1ca3348a74a1afaa7ffebc2b2f2cc149e11278 (patch)
treef3a16dc7567519f4257f4caf884d4ab770f0bf92 /net/ipv4/udp_offload.c
parent1aad9634b94ef65d72110a6fc6625c890db9667c (diff)
downloadlinux-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/ipv4/udp_offload.c')
-rw-r--r--net/ipv4/udp_offload.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index cbeb8965d1b7..3be5c083879d 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -628,13 +628,11 @@ struct sk_buff *udp4_gro_receive(struct list_head *head, struct sk_buff *skb)
inet_gro_compute_pseudo);
skip:
NAPI_GRO_CB(skb)->is_ipv6 = 0;
- rcu_read_lock();
if (static_branch_unlikely(&udp_encap_needed_key))
sk = udp4_gro_lookup_skb(skb, uh->source, uh->dest);
pp = udp_gro_receive(head, skb, uh, sk);
- rcu_read_unlock();
return pp;
flush: