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authorVlad Yasevich <vladislav.yasevich@hp.com>2010-04-28 08:47:20 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-12 15:02:58 -0700
commiteddb4b2aebd5e13049c9fa20f38ff8485a6341aa (patch)
tree349063ad6074aee47780ead4cff0f2c3f9105bbf /net
parentc9d7c3032e4d5850c4e019c186336466aa429626 (diff)
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sctp: per_cpu variables should be in bh_disabled section
[ Upstream commit 81419d862db743fe4450a021893f24bab4698c1d ] Since the change of the atomics to percpu variables, we now have to disable BH in process context when touching percpu variables. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
-rw-r--r--net/sctp/socket.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 97246b1c1ff..aa3ba60de54 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3718,12 +3718,12 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
sp->hmac = NULL;
SCTP_DBG_OBJCNT_INC(sock);
- percpu_counter_inc(&sctp_sockets_allocated);
/* Set socket backlog limit. */
sk->sk_backlog.limit = sysctl_sctp_rmem[1];
local_bh_disable();
+ percpu_counter_inc(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
local_bh_enable();
@@ -3740,8 +3740,8 @@ SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
/* Release our hold on the endpoint. */
ep = sctp_sk(sk)->ep;
sctp_endpoint_free(ep);
- percpu_counter_dec(&sctp_sockets_allocated);
local_bh_disable();
+ percpu_counter_dec(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
local_bh_enable();
}