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-rw-r--r--block/ll_rw_blk.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 5d472e47c125..a66ec30855d8 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -2504,6 +2504,7 @@ EXPORT_SYMBOL(blk_rq_map_user_iov);
int blk_rq_unmap_user(struct request *rq)
{
struct bio *bio, *mapped_bio;
+ int ret = 0, ret2;
while ((bio = rq->bio)) {
if (bio_flagged(bio, BIO_BOUNCED))
@@ -2511,11 +2512,15 @@ int blk_rq_unmap_user(struct request *rq)
else
mapped_bio = bio;
- __blk_rq_unmap_user(mapped_bio);
+ ret2 = __blk_rq_unmap_user(mapped_bio);
+ if (ret2 && !ret)
+ ret = ret2;
+
rq->bio = bio->bi_next;
bio_put(bio);
}
- return 0;
+
+ return ret;
}
EXPORT_SYMBOL(blk_rq_unmap_user);