[PATCH] mm: remove unnecessary check in alloc_thread_stack_node()

[Dan Carpenter]

The "stack" pointer cannot be NULL at this point so there is no
need to check.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 kernel/fork.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index 516f9db66640..5e7ca394b8e3 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -327,8 +327,7 @@ static int alloc_thread_stack_node(struct task_struct *tsk, int node)
 	 * so cache the vm_struct.
 	 */
 	tsk->stack_vm_area = vm;
-	if (stack)
-		stack = kasan_reset_tag(stack);
+	stack = kasan_reset_tag(stack);
 	tsk->stack = stack;
 	return 0;
 }
-- 
2.20.1