kvfree_rcu(): Fix ifnullfree.cocci warnings

NULL check before kfree is not needed.

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

Fixes: 16a6320addfc ("rcu/tree: Allocate a page when caller is preemptible")
Acked-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
1 file changed