提交 097b180c 编写于 作者: M Miklos Szeredi 提交者: Al Viro

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: NMiklos Szeredi <mszeredi@suse.cz>
CC: stable@vger.kernel.org
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
上级 f6940fe9
...@@ -2261,7 +2261,7 @@ static struct file *do_last(struct nameidata *nd, struct path *path, ...@@ -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... */ /* Why this, you ask? _Now_ we might have grown LOOKUP_JUMPED... */
error = complete_walk(nd); error = complete_walk(nd);
if (error) if (error)
goto exit; return ERR_PTR(error);
error = -EISDIR; error = -EISDIR;
if (S_ISDIR(nd->inode->i_mode)) if (S_ISDIR(nd->inode->i_mode))
goto exit; goto exit;
......
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