luck/tmp_suning_uos_patched
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sctp: per_cpu variables should be in bh_disabled section

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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>
This commit is contained in:
Vlad Yasevich 2010-04-28 08:47:20 +00:00 committed by David S. Miller
parent 0c42749cff
commit 81419d862d
1 changed files with 2 additions and 2 deletions
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4
net/sctp/socket.c
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@ -3719,12 +3719,12 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
sp->hmac = NULL; sp->hmac = NULL;
SCTP_DBG_OBJCNT_INC(sock); SCTP_DBG_OBJCNT_INC(sock);
percpu_counter_inc(&sctp_sockets_allocated);
/* Set socket backlog limit. */ /* Set socket backlog limit. */
sk->sk_backlog.limit = sysctl_sctp_rmem[1]; sk->sk_backlog.limit = sysctl_sctp_rmem[1];
local_bh_disable(); local_bh_disable();
percpu_counter_inc(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
local_bh_enable(); local_bh_enable();
@ -3741,8 +3741,8 @@ SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
/* Release our hold on the endpoint. */ /* Release our hold on the endpoint. */
ep = sctp_sk(sk)->ep; ep = sctp_sk(sk)->ep;
sctp_endpoint_free(ep); sctp_endpoint_free(ep);
percpu_counter_dec(&sctp_sockets_allocated);
local_bh_disable(); local_bh_disable();
percpu_counter_dec(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
local_bh_enable(); local_bh_enable();
} }