From: Keith Busch <keith.busch@intel.com>
Date: Mon, 24 Mar 2014 14:03:56 +0000 (-0400)
Subject: NVMe: Fix divide-by-zero in nvme_trans_io_get_num_cmds
X-Git-Tag: v3.15-rc1~21^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ddcb776286c091189a7b928188112470ec7e9efc;p=pandora-kernel.git

NVMe: Fix divide-by-zero in nvme_trans_io_get_num_cmds

dev->max_hw_sectors may be zero to indicate the device has no limit on
the number of sectors.  nvme_trans_do_nvme_io() should use the software
limit, since this is guaranteed to be non-zero.

Reported-by: Mundu <mundu2510@gmail.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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