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

[paulmck]

From: kernel test robot <l...@intel.com>

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) <j...@joelfernandes.org>
Signed-off-by: kernel test robot <l...@intel.com>
Signed-off-by: Julia Lawall <julia.law...@inria.fr>
Signed-off-by: Paul E. McKenney <paul...@kernel.org>
---
 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