X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fblock_dev.c;h=aff54219e04953386162690941d7e412f3a29c64;hb=1ef708ea449e5eab2780020ec79485db80937833;hp=dcf37cada3697d898c2d0c70c875450826845440;hpb=9fec6060d9e48ed7db0dac0e16d0f0f0e615b7f6;p=linux-2.6

diff --git a/fs/block_dev.c b/fs/block_dev.c
index dcf37cada3..aff54219e0 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -941,8 +941,10 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 	 * hooks: /n/, see "layering violations".
 	 */
 	ret = devcgroup_inode_permission(bdev->bd_inode, perm);
-	if (ret != 0)
+	if (ret != 0) {
+		bdput(bdev);
 		return ret;
+	}
 
 	ret = -ENXIO;
 	file->f_mapping = bdev->bd_inode->i_mapping;
@@ -1234,6 +1236,7 @@ fail:
 	bdev = ERR_PTR(error);
 	goto out;
 }
+EXPORT_SYMBOL(lookup_bdev);
 
 /**
  * open_bdev_excl  -  open a block device by name and set it up for use