diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-07-07 12:07:37 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-07-07 12:07:37 -0700 |
| commit | 83ec88d81aa8762d4fb75f95365da6b73a38efe9 (patch) | |
| tree | 193501a42e488ec81871136d19e0edb129a4a154 /drivers/md/raid5.c | |
| parent | cf21b355ccb39b0de0b6a7362532bb5584c84a80 (diff) | |
| parent | ef4ab3ba4e4f99b1f3af3a7b74815f59394d822e (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 5d09256d7f81..20e53b167f81 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7933,7 +7933,7 @@ static int raid5_remove_disk(struct mddev *mddev, struct md_rdev *rdev) int err = 0; int number = rdev->raid_disk; struct md_rdev __rcu **rdevp; - struct disk_info *p = conf->disks + number; + struct disk_info *p; struct md_rdev *tmp; print_raid5_conf(conf); @@ -7952,6 +7952,9 @@ static int raid5_remove_disk(struct mddev *mddev, struct md_rdev *rdev) log_exit(conf); return 0; } + if (unlikely(number >= conf->pool_size)) + return 0; + p = conf->disks + number; if (rdev == rcu_access_pointer(p->rdev)) rdevp = &p->rdev; else if (rdev == rcu_access_pointer(p->replacement)) @@ -8062,6 +8065,7 @@ static int raid5_add_disk(struct mddev *mddev, struct md_rdev *rdev) */ if (rdev->saved_raid_disk >= 0 && rdev->saved_raid_disk >= first && + rdev->saved_raid_disk <= last && conf->disks[rdev->saved_raid_disk].rdev == NULL) first = rdev->saved_raid_disk; |