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null_blk: remove set but not used variable 'q'

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Fixes gcc '-Wunused-but-set-variable' warning:

drivers/block/null_blk_main.c: In function 'end_cmd':
drivers/block/null_blk_main.c:609:24: warning:
 variable 'q' set but not used [-Wunused-but-set-variable]

It not used any more after commit
e50b1e327a ("null_blk: remove legacy IO path")

Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
YueHaibing 2018-10-16 01:45:26 +00:00 • committed by Jens Axboe
commit de038597be
1 changed files with 0 additions and 4 deletions
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4
drivers/block/null_blk_main.c
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@ -606,12 +606,8 @@ static struct nullb_cmd *alloc_cmd(struct nullb_queue *nq, int can_wait)
static void end_cmd(struct nullb_cmd *cmd)
{
struct request_queue *q = NULL;
int queue_mode = cmd->nq->dev->queue_mode;
if (cmd->rq)
q = cmd->rq->q;
switch (queue_mode) {
case NULL_Q_MQ:
blk_mq_end_request(cmd->rq, cmd->error);