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(parent: 4f5099a) | patch
NVMe: Fix divide-by-zero in nvme_trans_io_get_num_cmds
authorKeith Busch <keith.busch@intel.com>
Mon, 24 Mar 2014 14:03:56 +0000 (10:03 -0400)
committerMatthew Wilcox <matthew.r.wilcox@intel.com>
Mon, 24 Mar 2014 14:03:56 +0000 (10:03 -0400)
commitddcb776286c091189a7b928188112470ec7e9efc
tree077548a5b838e231dc10783079ccf2360b072a04tree | snapshot
parent4f5099af4f3d5f999d8ab7784472d93e810e3912commit | diff
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>
drivers/block/nvme-scsi.c diff | blob | history
Domain: System / Kernel; Licenses: GPL-2.0;