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authorDavid S. Miller <davem@davemloft.net>2016-03-20 04:05:24 +0300
committerDavid S. Miller <davem@davemloft.net>2016-03-20 04:05:24 +0300
commitc78a85a8430e35aecd53e190a2f6b999062b1037 (patch)
treefbd69827579db437492fb77b5faa53814114bed3 /include/net/ipv6.h
parent133800d1f0288b9ddfc0d0aded10d9efa82d5b8c (diff)
parentde06dbfa7861c9019eedefc0c356ba86e5098f1b (diff)
downloadlinux-c78a85a8430e35aecd53e190a2f6b999062b1037.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Diffstat (limited to 'include/net/ipv6.h')
-rw-r--r--include/net/ipv6.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 6570f379aba2..f3c9857c645d 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -259,8 +259,12 @@ static inline struct ipv6_txoptions *txopt_get(const struct ipv6_pinfo *np)
rcu_read_lock();
opt = rcu_dereference(np->opt);
- if (opt && !atomic_inc_not_zero(&opt->refcnt))
- opt = NULL;
+ if (opt) {
+ if (!atomic_inc_not_zero(&opt->refcnt))
+ opt = NULL;
+ else
+ opt = rcu_pointer_handoff(opt);
+ }
rcu_read_unlock();
return opt;
}