From: Goldwyn Rodrigues <[email protected]> If blk_mq_map_request returns NULL, bio_endio() function is not called. Call bio_io_error() in case request returned is NULL.
Signed-off-by: Goldwyn Rodrigues <[email protected]> --- block/blk-mq.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index 81caceb..7cd8912 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1286,8 +1286,10 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) return BLK_QC_T_NONE; rq = blk_mq_map_request(q, bio, &data); - if (unlikely(!rq)) + if (unlikely(!rq)) { + bio_io_error(bio); return BLK_QC_T_NONE; + } cookie = blk_tag_to_qc_t(rq->tag, data.hctx->queue_num); @@ -1381,8 +1383,10 @@ static blk_qc_t blk_sq_make_request(struct request_queue *q, struct bio *bio) request_count = blk_plug_queued_count(q); rq = blk_mq_map_request(q, bio, &data); - if (unlikely(!rq)) + if (unlikely(!rq)) { + bio_io_error(bio); return BLK_QC_T_NONE; + } cookie = blk_tag_to_qc_t(rq->tag, data.hctx->queue_num); -- 2.10.2
