From: Alex Elder <elder@inktank.com>
Date: Sat, 16 Feb 2013 04:10:17 +0000 (-0600)
Subject: libceph: fix a osd request memory leak
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~26^2~253
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ff5f385b1449a07372d51fb89ca94dbfb6a3be2;p=pandora-kernel.git

libceph: fix a osd request memory leak

If an invalid layout is provided to ceph_osdc_new_request(), its
call to calc_layout() might return an error.  At that point in the
function we've already allocated an osd request structure, so we
need to free it (drop a reference) in the event such an error
occurs.

The only other value calc_layout() will return is 0, so make that
explicit in the successful case.

This resolves:
    http://tracker.ceph.com/issues/4240

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
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