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-rw-r--r--drivers/md/raid1.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 7fbb60883280..6c10f28bc25e 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -284,7 +284,8 @@ static int raid1_end_read_request(struct bio *bio, unsigned int bytes_done, int
* user-side. So if something waits for IO, then it will
* wait for the 'master' bio.
*/
- set_bit(R1BIO_Uptodate, &r1_bio->state);
+ if (uptodate)
+ set_bit(R1BIO_Uptodate, &r1_bio->state);
raid_end_bio_io(r1_bio);
} else {
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