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net: Make sure BHs are disabled in sock_prot_inuse_add() 

The rule of calling sock_prot_inuse_add() is that BHs must
be disabled.  Some new calls were added where this was not
true and this tiggers warnings as reported by Ilpo.

Fix this by adding explicit BH disabling around those call sites.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-11-23 17:34:03 -08:00
parent be77e59307
commit 6f756a8c36
3 changed files with 9 additions and 0 deletions
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3
net/netlink/af_netlink.c
View File

@ -452,7 +452,10 @@ static int netlink_create(struct net *net, struct socket *sock, int protocol)
if (err < 0)
goto out_module;
local_bh_disable();
sock_prot_inuse_add(net, &netlink_proto, 1);
local_bh_enable();
nlk = nlk_sk(sock->sk);
nlk->module = module;
out:

4
net/sctp/socket.c
View File

@ -3614,7 +3614,11 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
SCTP_DBG_OBJCNT_INC(sock);
atomic_inc(&sctp_sockets_allocated);
local_bh_disable();
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
local_bh_enable();
return 0;
}

2
net/unix/af_unix.c
View File

@ -361,7 +361,9 @@ static void unix_sock_destructor(struct sock *sk)
unix_release_addr(u->addr);
atomic_dec(&unix_nr_socks);
local_bh_disable();
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
local_bh_enable();
#ifdef UNIX_REFCNT_DEBUG
printk(KERN_DEBUG "UNIX %p is destroyed, %d are still alive.\n", sk,
atomic_read(&unix_nr_socks));