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authorEric Dumazet <eric.dumazet@gmail.com>2012-01-12 04:41:32 +0000
committerDavid S. Miller <davem@davemloft.net>2012-01-12 12:26:56 -0800
commitcf778b00e96df6d64f8e21b8395d1f8a859ecdc7 (patch)
tree4cc157d564bd65d687bdf722af3202e9e277ea98 /net/socket.c
parent9ee6045f09a7875ebe55b9942b232a19076b157b (diff)
downloadlinux-cf778b00e96df6d64f8e21b8395d1f8a859ecdc7.tar.bz2
net: reintroduce missing rcu_assign_pointer() calls
commit a9b3cd7f32 (rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER) did a lot of incorrect changes, since it did a complete conversion of rcu_assign_pointer(x, y) to RCU_INIT_POINTER(x, y). We miss needed barriers, even on x86, when y is not NULL. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Stephen Hemminger <shemminger@vyatta.com> CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/socket.c b/net/socket.c
index e56162cd65b0..28a96af484b4 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2492,7 +2492,7 @@ int sock_register(const struct net_proto_family *ops)
lockdep_is_held(&net_family_lock)))
err = -EEXIST;
else {
- RCU_INIT_POINTER(net_families[ops->family], ops);
+ rcu_assign_pointer(net_families[ops->family], ops);
err = 0;
}
spin_unlock(&net_family_lock);