[PATCH] dm: missing bdput/thaw_bdev at removal

Need to unfreeze and release bdev otherwise the bdev inode with inconsistent state is reused later and cause problem. Signed-off-by: Jun'ichi Nomura <[email protected]> Acked-by: Alasdair G Kergon <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
chewitt · Feb 24, 2006 · d9dde59 · d9dde59
1 parent 8dde050
commit d9dde59
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
@@ -849,6 +849,10 @@ static struct mapped_device *alloc_dev(unsigned int minor, int persistent)
 
 static void free_dev(struct mapped_device *md)
 {
+	if (md->suspended_bdev) {
+		thaw_bdev(md->suspended_bdev, NULL);
+		bdput(md->suspended_bdev);
+	}
 	free_minor(md->disk->first_minor);
 	mempool_destroy(md->tio_pool);
 	mempool_destroy(md->io_pool);