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| author | Eric Dumazet <edumazet@google.com> | 2016-05-04 15:27:29 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-05-04 23:47:54 -0400 |
| commit | 777c6ae57ebd432b59950b3e28bf01676018d1b2 (patch) | |
| tree | daa9fc5647e16767136233e80544b785727f1271 /net/ipv4/inet_connection_sock.c | |
| parent | aa8a8b05adfc72e562abe7ae5c6933906e0ed2e9 (diff) | |
| download | linux-777c6ae57ebd432b59950b3e28bf01676018d1b2.tar.gz linux-777c6ae57ebd432b59950b3e28bf01676018d1b2.tar.bz2 linux-777c6ae57ebd432b59950b3e28bf01676018d1b2.zip | |
tcp: two more missing bh disable
percpu_counter only have protection against preemption.
TCP stack uses them possibly from BH, so we need BH protection
in contexts that could be run in process context
Fixes: c10d9310edf5 ("tcp: do not assume TCP code is non preemptible")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/inet_connection_sock.c')
| -rw-r--r-- | net/ipv4/inet_connection_sock.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 7ce112aa3a7b..fa8c39804bdb 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -706,7 +706,9 @@ void inet_csk_destroy_sock(struct sock *sk) sk_refcnt_debug_release(sk); + local_bh_disable(); percpu_counter_dec(sk->sk_prot->orphan_count); + local_bh_enable(); sock_put(sk); } EXPORT_SYMBOL(inet_csk_destroy_sock); |