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ceph: Fix oops when handling mdsmap that decreases max_mds
authorYan, Zheng <zheng.z.yan@intel.com>
Thu, 20 Sep 2012 09:42:25 +0000 (17:42 +0800)
committerAlex Elder <elder@inktank.com>
Mon, 1 Oct 2012 19:30:54 +0000 (14:30 -0500)
commit3e8f43a089f06279c5f76a9ccd42578eebf7bfa5
tree5b208f18d8a3031b21ed379bca471dbf2fdb0e47tree | snapshot (tar.gz zip)
parent6e14b1a6c3b8d7e48ece68733d2dac0464611ee4commit | diff
ceph: Fix oops when handling mdsmap that decreases max_mds

When i >= newmap->m_max_mds, ceph_mdsmap_get_addr(newmap, i) return
NULL. Passing NULL to memcmp() triggers oops.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Sage Weil <sage@inktank.com>
fs/ceph/mds_client.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)