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md: raid1: check rdev before reference in raid1_sync_request func
[linux-2.6-block.git]
/
drivers
/
md
/
raid1.c
diff --git
a/drivers/md/raid1.c
b/drivers/md/raid1.c
index a409ab6f30bc33375561d4cebc20c5e20f9435ba..201fd8aec59aca67842611d8524f205d2c9b63d4 100644
(file)
--- a/
drivers/md/raid1.c
+++ b/
drivers/md/raid1.c
@@
-2782,7
+2782,7
@@
static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr,
write_targets++;
}
}
- if (bio->bi_end_io) {
+ if (
rdev &&
bio->bi_end_io) {
atomic_inc(&rdev->nr_pending);
bio->bi_iter.bi_sector = sector_nr + rdev->data_offset;
bio_set_dev(bio, rdev->bdev);