The patch titled
Subject: mm/swapfile: remove needless request_queue NULL pointer check
has been added to the -mm tree. Its filename is
mm-swapfile-remove-needless-request_queue-null-pointer-check.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-swapfile-remove-needless-request_queue-null-pointer-check.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-swapfile-remove-needless-request_queue-null-pointer-check.patch
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------------------------------------------------------
From: Xu Wang <vulab@xxxxxxxxxxx>
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@xxxxxxxxxxx
Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/swapfile.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 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;
_
Patches currently in -mm which might be from vulab@xxxxxxxxxxx are
mm-swapfile-remove-needless-request_queue-null-pointer-check.patch
