linux-kernel - Re: linux-next: manual merge of the selinux tree with the vfs tree

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Message-ID: <11581.1543590618@warthog.procyon.org.uk>
Date:   Fri, 30 Nov 2018 15:10:18 +0000
From:   David Howells <dhowells@...hat.com>
To:     Ondrej Mosnacek <omosnace@...hat.com>
Cc:     dhowells@...hat.com, Stephen Rothwell <sfr@...b.auug.org.au>,
        Paul Moore <paul@...l-moore.com>,
        Al Viro <viro@...iv.linux.org.uk>, linux-next@...r.kernel.org,
        Linux kernel mailing list <linux-kernel@...r.kernel.org>,
        selinux@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: linux-next: manual merge of the selinux tree with the vfs tree

Ondrej Mosnacek <omosnace@...hat.com> wrote:

> - if (fc->purpose == FS_CONTEXT_FOR_KERNEL_MOUNT)
> + if (fc->purpose == (FS_CONTEXT_FOR_KERNEL_MOUNT|FS_CONTEXT_FOR_SUBMOUNT))

It's not a bitmask, so you can't do that.  You'd need to do:

	if (fc->purpose == FS_CONTEXT_FOR_KERNEL_MOUNT ||
	    fc->purpose == FS_CONTEXT_FOR_SUBMOUNT)

or use a switch.

David