From: Ilya Dryomov <ilya.dryomov@inktank.com>
Date: Thu, 13 Mar 2014 14:36:15 +0000 (+0200)
Subject: libceph: fixup error handling in osdmap_apply_incremental()
X-Git-Tag: v3.15-rc1~61^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86f1742b94dd0b4a2eb9255205d1756ddea182f8;p=pandora-kernel.git

libceph: fixup error handling in osdmap_apply_incremental()

The existing error handling scheme requires resetting err to -EINVAL
prior to calling any ceph_decode_* macro.  This is ugly and fragile,
and there already are a few places where we would return 0 on error,
due to a missing reset.  Follow osdmap_decode() and fix this by adding
a special e_inval label to be used by all ceph_decode_* macros.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
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