* [PATCH -next] block: Remove unused variable 'added'
@ 2022-09-30 10:34 Chen Zhongjin
0 siblings, 0 replies; only message in thread
From: Chen Zhongjin @ 2022-09-30 10:34 UTC (permalink / raw)
To: linux-kernel, linux-block; +Cc: axboe, chenzhongjin
Reported by Clang [-Wunused-but-set-variable]
'commit 480cb846c27b ("block: convert to advancing variants of iov_iter_get_pages{,_alloc}()")'
This commit converted iov_iter_advance() to iov_iter_revert(), and
not uses variable 'added' anymore but forgot to delete it.
Since 'added' is useless now, remove it for code cleaning.
Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
---
block/blk-map.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/block/blk-map.c b/block/blk-map.c
index 7196a6b64c80..1d5e609589c0 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -251,7 +251,7 @@ static int bio_map_user_iov(struct request *rq, struct iov_iter *iter,
while (iov_iter_count(iter)) {
struct page **pages;
ssize_t bytes;
- size_t offs, added = 0;
+ size_t offs;
int npages;
bytes = iov_iter_get_pages_alloc2(iter, &pages, LONG_MAX, &offs);
@@ -280,7 +280,6 @@ static int bio_map_user_iov(struct request *rq, struct iov_iter *iter,
break;
}
- added += n;
bytes -= n;
offs = 0;
}
--
2.17.1
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