Commit 154f484b authored Nov 28, 2005 by Jan Kara Committed by Linus Torvalds Nov 28, 2005

[PATCH] Fix oops in vfs_quotaon_mount()



When quota file specified in mount options did not exist, we tried to
dereference NULL pointer later. Fix it.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 6aea114a

fs/dquot.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -1513,10 +1513,16 @@ int vfs_quota_on_mount(struct super_block sb, char qf_name,
		if (IS_ERR(dentry))
		return PTR_ERR(dentry);

		if (!dentry->d_inode) {
		error = -ENOENT;
		goto out;
		}

		error = security_quota_on(dentry);
		if (!error)
		error = vfs_quota_on_inode(dentry->d_inode, type, format_id);

		out:
		dput(dentry);
		return error;
		}