From: Li RongQing <roy.qing.li@gmail.com>
Date: Sun, 7 Sep 2014 10:10:51 +0000 (+0800)
Subject: libceph: fix a use after free issue in osdmap_set_max_osd
X-Git-Tag: omap-for-v3.19/prcm-cleanup~68^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=589506f1e7f135943bcd34903bcdcf1fdaf00549;p=pandora-kernel.git

libceph: fix a use after free issue in osdmap_set_max_osd

If the state variable is krealloced successfully, map->osd_state will be
freed, once following two reallocation failed, and exit the function
without resetting map->osd_state, map->osd_state become a wild pointer.

fix it by resetting them after krealloc successfully.

Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
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