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@xxxxxxxxx>
---
Changes since v1:
-move the change into a separate patch
-add analysis
---
block/blk-map.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/block/blk-map.c b/block/blk-map.c
index c7f71d83eff1..fa72e63e18c2 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -260,10 +260,9 @@ 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;
--
2.25.1
