md/raid5: use sysfs_notify_dirent_safe to avoid NULL pointer
authorJonathan Brassow <jbrassow@redhat.com>
Thu, 13 Jan 2011 22:14:33 +0000 (09:14 +1100)
committerNeilBrown <neilb@suse.de>
Thu, 13 Jan 2011 22:14:33 +0000 (09:14 +1100)
commit43c73ca43b3e03bb228ff9350b6b44d0e560f262
tree2a6fcff1e62c53ba0a95295cf02ae785b1efb501
parent0ca69886a8273ac1350143d562280bfcbe4760dc
md/raid5: use sysfs_notify_dirent_safe to avoid NULL pointer

With the module parameter 'start_dirty_degraded' set,
raid5_spare_active() previously called sysfs_notify_dirent() with a NULL
argument (rdev->sysfs_state) when a rebuild finished.

Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/raid5.c