From: Christoph Hellwig <hch@lst.de>
Date: Fri, 15 Feb 2008 22:37:24 +0000 (-0800)
Subject: [PATCH] check for null vfsmount in dentry_open()
X-Git-Tag: v2.6.25-rc7~4^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=322ee5b36eac42e762526b0df7fa432beba6e7a0;p=pandora-kernel.git

[PATCH] check for null vfsmount in dentry_open()

Make sure no-one calls dentry_open with a NULL vfsmount argument and crap
out with a stacktrace otherwise.  A NULL file->f_vfsmnt has always been
problematic, but with the per-mount r/o tracking we can't accept anymore
at all.

[AV] the last place that passed NULL had been eliminated by the previous
patch (reiserfs xattr stuff)

Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

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