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authorMartin Wilck <mwilck@suse.com>2019-09-23 17:02:02 +0300
committerJens Axboe <axboe@kernel.dk>2019-09-23 20:17:24 +0300
commitd46fe2cb2dce7f5038473b5859e03f5e16b7428e (patch)
tree408e14effb0c002d652c057826fd0f0f1c25805e /block/bsg-lib.c
parentbe21683e48f26032199504fb60b9a27eeff05fc3 (diff)
downloadlinux-d46fe2cb2dce7f5038473b5859e03f5e16b7428e.tar.xz
block: drop device references in bsg_queue_rq()
Make sure that bsg_queue_rq() calls put_device() if an error is encountered after get_device() was successful. Fixes: cd2f076f1d7a ("bsg: convert to use blk-mq") Signed-off-by: Martin Wilck <mwilck@suse.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bsg-lib.c')
-rw-r--r--block/bsg-lib.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/block/bsg-lib.c b/block/bsg-lib.c
index 785dd58947f1..347dda16c2f4 100644
--- a/block/bsg-lib.c
+++ b/block/bsg-lib.c
@@ -266,6 +266,7 @@ static blk_status_t bsg_queue_rq(struct blk_mq_hw_ctx *hctx,
struct request *req = bd->rq;
struct bsg_set *bset =
container_of(q->tag_set, struct bsg_set, tag_set);
+ int sts = BLK_STS_IOERR;
int ret;
blk_mq_start_request(req);
@@ -274,14 +275,15 @@ static blk_status_t bsg_queue_rq(struct blk_mq_hw_ctx *hctx,
return BLK_STS_IOERR;
if (!bsg_prepare_job(dev, req))
- return BLK_STS_IOERR;
+ goto out;
ret = bset->job_fn(blk_mq_rq_to_pdu(req));
- if (ret)
- return BLK_STS_IOERR;
+ if (!ret)
+ sts = BLK_STS_OK;
+out:
put_device(dev);
- return BLK_STS_OK;
+ return sts;
}
/* called right after the request is allocated for the request_queue */