diff mbox series

[051/262] mm/swapfile: remove needless request_queue NULL pointer check

Message ID 20211105203719.-ssTsYg32%akpm@linux-foundation.org (mailing list archive)
State New
Headers show
Series [001/262] scripts/spelling.txt: add more spellings to spelling.txt | expand

Commit Message

Andrew Morton Nov. 5, 2021, 8:37 p.m. UTC 
From: Xu Wang <vulab@iscas.ac.cn>
Subject: mm/swapfile: remove needless request_queue NULL pointer check

The request_queue pointer returned from bdev_get_queue() shall never be
NULL, so the null check is unnecessary, just remove it.

Link: https://lkml.kernel.org/r/20210917082111.33923-1-vulab@iscas.ac.cn
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/swapfile.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

--- a/mm/swapfile.c~mm-swapfile-remove-needless-request_queue-null-pointer-check
+++ a/mm/swapfile.c
@@ -3118,7 +3118,7 @@  static bool swap_discardable(struct swap
 {
 	struct request_queue *q = bdev_get_queue(si->bdev);
 
-	if (!q || !blk_queue_discard(q))
+	if (!blk_queue_discard(q))
 		return false;
 
 	return true;