diff options
Diffstat (limited to 'drivers/mmc/core/queue.c')
| -rw-r--r-- | drivers/mmc/core/queue.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index 39fcb662c43f..c9028e4a7e56 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -214,8 +214,14 @@ static int mmc_mq_init_request(struct blk_mq_tag_set *set, struct request *req, struct mmc_queue *mq = set->driver_data; struct mmc_card *card = mq->card; struct mmc_host *host = card->host; + u16 sg_len = mmc_get_max_segments(host); - mq_rq->sg = mmc_alloc_sg(mmc_get_max_segments(host), GFP_KERNEL); + if (!sg_len) { + dev_err(mmc_dev(host), "Wrong max_segs assigned\n"); + return -EINVAL; + } + + mq_rq->sg = mmc_alloc_sg(sg_len, GFP_KERNEL); if (!mq_rq->sg) return -ENOMEM; |