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-rw-r--r--drivers/md/md.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 766be8701281..46bdf4b38be8 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2801,8 +2801,9 @@ static void analyze_sbs(mddev_t * mddev)
i = 0;
rdev_for_each(rdev, tmp, mddev) {
- if (rdev->desc_nr >= mddev->max_disks ||
- i > mddev->max_disks) {
+ if (mddev->max_disks &&
+ (rdev->desc_nr >= mddev->max_disks ||
+ i > mddev->max_disks)) {
printk(KERN_WARNING
"md: %s: %s: only %d devices permitted\n",
mdname(mddev), bdevname(rdev->bdev, b),
@@ -5406,7 +5407,7 @@ static int update_raid_disks(mddev_t *mddev, int raid_disks)
if (mddev->pers->check_reshape == NULL)
return -EINVAL;
if (raid_disks <= 0 ||
- raid_disks >= mddev->max_disks)
+ (mddev->max_disks && raid_disks >= mddev->max_disks))
return -EINVAL;
if (mddev->sync_thread || mddev->reshape_position != MaxSector)
return -EBUSY;