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-rw-r--r--drivers/md/raid1.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index e87184645c54..c40237cfdcb0 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1810,6 +1810,9 @@ static int raid1_remove_disk(struct mddev *mddev, struct md_rdev *rdev)
int number = rdev->raid_disk;
struct raid1_info *p = conf->mirrors + number;
+ if (unlikely(number >= conf->raid_disks))
+ goto abort;
+
if (rdev != p->rdev)
p = conf->mirrors + conf->raid_disks + number;
@@ -3132,6 +3135,7 @@ static int raid1_run(struct mddev *mddev)
* RAID1 needs at least one disk in active
*/
if (conf->raid_disks - mddev->degraded < 1) {
+ md_unregister_thread(&conf->thread);
ret = -EINVAL;
goto abort;
}