[PATCH] block: simplify blk_mq_finish_request()

[Damien Le Moal <dlemoal@kernel.org>]

Remove the local q variable as it is not necessary. This also removes a
useless pointer dereference when RQF_USE_SCHED is not set for a request.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---
 block/blk-mq.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 9af8c3dec3f6..55a255750ad1 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -781,12 +781,10 @@ EXPORT_SYMBOL_GPL(blk_mq_alloc_request_hctx);
 
 static void blk_mq_finish_request(struct request *rq)
 {
-	struct request_queue *q = rq->q;
-
 	blk_zone_finish_request(rq);
 
 	if (rq->rq_flags & RQF_USE_SCHED) {
-		q->elevator->type->ops.finish_request(rq);
+		rq->q->elevator->type->ops.finish_request(rq);
 		/*
 		 * For postflush request that may need to be
 		 * completed twice, we should clear this flag
-- 
2.53.0