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-rw-r--r--drivers/md/raid1.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 0f8b1fb3d..5ff06fbcf 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1785,6 +1785,9 @@ 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;