diff mbox

mm/slob: remove an unnecessary check for __GFP_ZERO

Message ID 1507203141-11959-1-git-send-email-miles.chen@mediatek.com (mailing list archive)
State New, archived
Headers show

Commit Message

Miles Chen Oct. 5, 2017, 11:32 a.m. UTC 
From: Miles Chen <miles.chen@mediatek.com>

Current flow guarantees a valid pointer when handling
the __GFP_ZERO case. So remove the unnecessary NULL pointer
check.

Signed-off-by: Miles Chen <miles.chen@mediatek.com>
---
 mm/slob.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/mm/slob.c b/mm/slob.c
index a8bd6fa..a72649c 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -329,7 +329,7 @@  static void *slob_alloc(size_t size, gfp_t gfp, int align, int node)
 		BUG_ON(!b);
 		spin_unlock_irqrestore(&slob_lock, flags);
 	}
-	if (unlikely((gfp & __GFP_ZERO) && b))
+	if (unlikely(gfp & __GFP_ZERO))
 		memset(b, 0, size);
 	return b;
 }