vfs: fix double put after complete_walk()

complete_walk() already puts nd->path, no need to do it again at cleanup time.

This would result in Oopses if triggered, apparently the codepath is not too
well exercised.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
CC: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Miklos Szeredi 2012-03-06 13:56:33 +01:00 committed by Al Viro
parent f6940fe909
commit 097b180ca0

View file

@ -2261,7 +2261,7 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
/* Why this, you ask? _Now_ we might have grown LOOKUP_JUMPED... */
error = complete_walk(nd);
if (error)
goto exit;
return ERR_PTR(error);
error = -EISDIR;
if (S_ISDIR(nd->inode->i_mode))
goto exit;