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authorEric Sandeen <sandeen@redhat.com>2013-01-31 00:55:02 +0000
committerChris Mason <chris.mason@fusionio.com>2013-02-01 11:47:37 -0500
commit3c911608085bf2d5a0822c418129f96a2a89d1b5 (patch)
treea4051468cbdd648563a055eed4718eeb0dc7b756 /fs
parent57ba86c00f9573b63b8c06810d4f6915efed2442 (diff)
btrfs: don't try to notify udev about missing devices
If we remove a missing device, bdev is null, and if we send that off to btrfs_kobject_uevent we'll panic. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/volumes.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 5cce6aa74012..485a5423e3c6 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1556,7 +1556,8 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
ret = 0;
/* Notify udev that device has changed */
- btrfs_kobject_uevent(bdev, KOBJ_CHANGE);
+ if (bdev)
+ btrfs_kobject_uevent(bdev, KOBJ_CHANGE);
error_brelse:
brelse(bh);