Commit ab81dabd authored by Al Viro's avatar Al Viro
Browse files

fix sysfs_init_fs_context() in !CONFIG_NET_NS case 



Permission checks on current's netns should be done only when
netns are enabled.

Reported-by: default avatarDominik Brodowski <linux@dominikbrodowski.net>
Fixes: 23bf1b6b
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c99c2171

fs/sysfs/mount.c

+5 −3
Original line number Diff line number Diff line
@@ -71,9 +71,11 @@ static int sysfs_init_fs_context(struct fs_context *fc) 
	kfc->magic = SYSFS_MAGIC;

	fc->fs_private = kfc;

	fc->ops = &sysfs_fs_context_ops;

	if (netns) {

		if (fc->user_ns)

			put_user_ns(fc->user_ns);

		fc->user_ns = get_user_ns(netns->user_ns);

	}

	fc->global = true;

	return 0;

}