From: Jonathan Brassow <jbrassow@xxxxxxxxxx>
If device-mapper creates a RAID1 array that includes devices to
be rebuilt, it will deref a NULL pointer when finished because
sysfs is not used by device-mapper instantiated RAID devices.
Signed-off-by: Jonathan Brassow <jbrassow@xxxxxxxxxx>
Signed-off-by: NeilBrown <neilb@xxxxxxx>
---
drivers/md/raid1.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index a7e6908..3cbf0ac 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1031,7 +1031,7 @@ static int raid1_spare_active(mddev_t *mddev)
&& !test_bit(Faulty, &rdev->flags)
&& !test_and_set_bit(In_sync, &rdev->flags)) {
count++;
- sysfs_notify_dirent(rdev->sysfs_state);
+ sysfs_notify_dirent_safe(rdev->sysfs_state);
}
}
spin_lock_irqsave(&conf->device_lock, flags);
--
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