[PATCH tip/core/rcu 15/15] kvfree_rcu(): Fix ifnullfree.cocci warnings

[paulmck]

From: kernel test robot <lkp@xxxxxxxxx>

NULL check before kfree is not needed.

Generated by: scripts/coccinelle/free/ifnullfree.cocci

Fixes: 9f7e887e648c ("rcu/tree: Allocate a page when caller is preemptible")
Acked-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
 kernel/rcu/tree.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index cc998d7..4a85ea2 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3165,8 +3165,7 @@ static void kfree_rcu_work(struct work_struct *work)
 				bkvhead[i] = NULL;
 			krc_this_cpu_unlock(krcp, flags);
 
-			if (bkvhead[i])
-				kfree(bkvhead[i]);
+			kfree(bkvhead[i]);
 
 			cond_resched_tasks_rcu_qs();
 		}
-- 
2.9.5