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authorHerbert Xu <herbert@gondor.apana.org.au>2006-08-09 16:52:04 -0700
committerDavid S. Miller <davem@davemloft.net>2006-08-09 16:52:04 -0700
commit06aebfb7faa13258af5230ff3d1587ece6c0250e (patch)
tree8d2703662be840f8e64084d42706b1e4e5a354c9 /net/ipv6
parent79860a9a79a17f1bed0713680a3995467405ba49 (diff)
[IPV6]: The ifa lock is a BH lock
The ifa lock is expected to be taken in BH context (by addrconf timers) so we must disable BH when accessing it from user context. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 8ea1e36bf8e..0c5042e7380 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1909,11 +1909,11 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen,
ifp = ipv6_add_addr(idev, pfx, plen, scope, ifa_flags);
if (!IS_ERR(ifp)) {
- spin_lock(&ifp->lock);
+ spin_lock_bh(&ifp->lock);
ifp->valid_lft = valid_lft;
ifp->prefered_lft = prefered_lft;
ifp->tstamp = jiffies;
- spin_unlock(&ifp->lock);
+ spin_unlock_bh(&ifp->lock);
addrconf_dad_start(ifp, 0);
in6_ifa_put(ifp);