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blk-lib: don't check bdev_get_queue() NULL check

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Based on the comment present in the bdev_get_queue()
bdev->bd_queue can never be NULL. Remove the NULL check for the local
variable q that is set from bdev_get_queue() for discard, write_same,
and write_zeroes.

Signed-off-by: Chaitanya Kulkarni <[email protected]>
Reviewed-by: Ming Lei <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Chaitanya Kulkarni authored and Jens Axboe committed 2022-02-15 07:51:46 -07:00
1 parent 69591a402d
commit ec9fd2a13d
1 file changed
-14
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block/blk-lib.c
-14
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@@ -19,9 +19,6 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
unsigned int op;
sector_t bs_mask, part_offset = 0;
if (!q)
return -ENXIO;
if (bdev_read_only(bdev))
return -EPERM;
@@ -156,9 +153,6 @@ static int __blkdev_issue_write_same(struct block_device *bdev, sector_t sector,
struct bio *bio = *biop;
sector_t bs_mask;
if (!q)
return -ENXIO;
if (bdev_read_only(bdev))
return -EPERM;
@@ -232,10 +226,6 @@ static int __blkdev_issue_write_zeroes(struct block_device *bdev,
{
struct bio *bio = *biop;
unsigned int max_write_zeroes_sectors;
struct request_queue *q = bdev_get_queue(bdev);
if (!q)
return -ENXIO;
if (bdev_read_only(bdev))
return -EPERM;
@@ -284,14 +274,10 @@ static int __blkdev_issue_zero_pages(struct block_device *bdev,
sector_t sector, sector_t nr_sects, gfp_t gfp_mask,
struct bio **biop)
{
struct request_queue *q = bdev_get_queue(bdev);
struct bio *bio = *biop;
int bi_size = 0;
unsigned int sz;
if (!q)
return -ENXIO;
if (bdev_read_only(bdev))
return -EPERM;