From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 6 Mar 2012 12:56:34 +0000 (+0100)
Subject: vfs: fix return value from do_last()
X-Git-Tag: v3.2.12~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebccbea3908a4c2d490fdd13d353f1b81be5e276;p=pandora-kernel.git

vfs: fix return value from do_last()

commit 7f6c7e62fcc123e6bd9206da99a2163fe3facc31 upstream.

complete_walk() returns either ECHILD or ESTALE.  do_last() turns this into
ECHILD unconditionally.  If not in RCU mode, this error will reach userspace
which is complete nonsense.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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