From: Swapnil Pimpale <spimpale@ddn.com>
Date: Sun, 9 Feb 2014 07:51:46 +0000 (-0500)
Subject: lustre: Unsafe error handling around ll_splice_alias
X-Git-Tag: v3.15-rc1~139^2~1196
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7486bc06ab2c46d6957f0211d09bc549aaf9cc87;p=pandora-kernel.git

lustre: Unsafe error handling around ll_splice_alias

Callers of ll_splice_alias() should not assign the returned pointer to
the dentry since it can be an err pointer. Fixed the above bug using a
temporary dentry pointer. This temporary pointer is assigned to dentry
only if ll_splice_alias has not returned an err pointer.

Signed-off-by: Swapnil Pimpale <spimpale@ddn.com>
Reviewed-on: http://review.whamcloud.com/7460
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3807
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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