From: Eric Sandeen <sandeen@sandeen.net>
Date: Mon, 23 Feb 2015 23:12:55 +0000 (+1100)
Subject: xfs: Ensure we have target_ip for RENAME_EXCHANGE
X-Git-Tag: fixes-v4.0-rc2~26^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc921566f4fcf4499e9a6d010391c00be199ab85;p=pandora-kernel.git

xfs: Ensure we have target_ip for RENAME_EXCHANGE

We shouldn't get here with RENAME_EXCHANGE set and no
target_ip, but let's be defensive, because xfs_cross_rename()
will dereference it.

Spotted by Coverity.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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