netfilter: use likely() in xt_info_rdlock_bh()

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 1b2e43502ef7..c9efe039dc57 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -472,7 +472,7 @@ static inline void xt_info_rdlock_bh(void)
 
         local_bh_disable();
         lock = &__get_cpu_var(xt_info_locks);
-        if (!lock->readers++)
+        if (likely(!lock->readers++))
                 spin_lock(&lock->lock);
 }
 
@@ -480,7 +480,7 @@ static inline void xt_info_rdunlock_bh(void)
 {
         struct xt_info_lock *lock = &__get_cpu_var(xt_info_locks);
 
-        if (!--lock->readers)
+        if (likely(!--lock->readers))
                 spin_unlock(&lock->lock);
         local_bh_enable();
 }