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block/blk-map: Remove redundant assignment 

Get rid of redundant assignment to a variable ret from function
bio_map_user_iov as it is being assigned a value that is never read.
It is being re-assigned in the first instruction after the while loop

Reported by clang-tidy [deadcode.DeadStores]

Signed-off-by: Michal Orzel <michalorzel.eng@gmail.com>
Link: https://lore.kernel.org/r/20220423113811.13335-2-michalorzel.eng@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Michal Orzel 2022-04-23 13:38:08 +02:00 committed by Jens Axboe
parent 3de2e5f28c
commit 7ab89db979
1 changed files with 2 additions and 3 deletions
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5
block/blk-map.c
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@ -262,10 +262,9 @@ static int bio_map_user_iov(struct request *rq, struct iov_iter *iter,
npages = DIV_ROUND_UP(offs + bytes, PAGE_SIZE);
if (unlikely(offs & queue_dma_alignment(rq->q))) {
ret = -EINVAL;
if (unlikely(offs & queue_dma_alignment(rq->q)))
j = 0;
} else {
else {
for (j = 0; j < npages; j++) {
struct page *page = pages[j];
unsigned int n = PAGE_SIZE - offs;