From: Miklos Szeredi <miklos@szeredi.hu>
Date: Tue, 17 Oct 2006 07:10:12 +0000 (-0700)
Subject: [PATCH] fuse: fix dereferencing dentry parent
X-Git-Tag: v2.6.19-rc3~175
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e956edd0523b6b48ed367c63b0c82d8f4c447a58;p=pandora-kernel.git

[PATCH] fuse: fix dereferencing dentry parent

There's no locking for ->d_revalidate, so fuse_dentry_revalidate() should use
dget_parent() instead of simply dereferencing ->d_parent.

Due to topology changes in the directory tree the parent could become negative
or be destroyed while being used.  There hasn't been any reports about this
yet.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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