[PATCH -next 1/1] percpu: cleanup invalid assignment to err in pcpu_alloc

[Wupeng Ma]

From: Ma Wupeng <mawupeng1@xxxxxxxxxx>

Assignment to err if is_atomic is true will never be used since warn
message can only be shown if is_atomic is false after label fail. So drop
it.

Signed-off-by: Ma Wupeng <mawupeng1@xxxxxxxxxx>
---
 mm/percpu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/percpu.c b/mm/percpu.c
index acd78da0493b..df86d79325b2 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1817,10 +1817,8 @@ static void __percpu *pcpu_alloc(size_t size, size_t align, bool reserved,
 
 	spin_unlock_irqrestore(&pcpu_lock, flags);
 
-	if (is_atomic) {
-		err = "atomic alloc failed, no space left";
+	if (is_atomic)
 		goto fail;
-	}
 
 	/* No space left.  Create a new chunk. */
 	if (list_empty(&pcpu_chunk_lists[pcpu_free_slot])) {
-- 
2.25.1