Re: [patch 2/2] r/o bind mounts: Accept passing a mnt NULL pointer to mnt_drop_write()

[Christoph Hellwig]

On Fri, Oct 12, 2007 at 05:50:21PM +0200, Jan Blunck wrote:
> In case of somebody opens a file with dentry_open(dentry, NULL, ...) we don't
> want to stumble on the NULL pointer mnt in struct file.

We should just not allow a NULL vfsmount in dentry_open.  Dave and I have
fixes for reiserfs, and I'll look at the uml use.

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