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[PATCH] fix bdev leak in block_dev.c do_open() 

Callers expect it to drop reference to bdev on all failure exits.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2008-08-01 05:32:04 -04:00
parent 77e69dac3c
commit 8266602033
1 changed files with 3 additions and 1 deletions
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4
fs/block_dev.c
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@ -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;