linux-kernel - [PATCH] block/blk-map: Remove set but unused variable 'added'

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Date:   Mon,  5 Sep 2022 10:25:53 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     axboe@...nel.dk
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] block/blk-map: Remove set but unused variable 'added'

The variable added is not effectively used in the function, so delete
it.

block/blk-map.c:273:16: warning: variable 'added' set but not used.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2049
Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.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 2fbe298d3822..a06919822a73 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -270,7 +270,7 @@ static int bio_map_user_iov(struct request *rq, struct iov_iter *iter,
 	while (iov_iter_count(iter)) {
 		struct page **pages, *stack_pages[UIO_FASTIOV];
 		ssize_t bytes;
-		size_t offs, added = 0;
+		size_t offs = 0;
 		int npages;
 
 		if (nr_vecs <= ARRAY_SIZE(stack_pages)) {
@@ -306,7 +306,6 @@ static int bio_map_user_iov(struct request *rq, struct iov_iter *iter,
 					break;
 				}
 
-				added += n;
 				bytes -= n;
 				offs = 0;
 			}
-- 
2.20.1.7.g153144c