From: Eric Dumazet <dada1@cosmosbay.com>
Date: Fri, 1 May 2009 16:10:46 +0000 (-0700)
Subject: netfilter: use likely() in xt_info_rdlock_bh()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0f3d042ed2f934f149ccb78300454beaf0c1134b;p=linux-beck.git

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>
---

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();
 }