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(parent: 4f105ae) | patch
nvme-pci: Skip queue deletion if there are no queues
authorKeith Busch <keith.busch@intel.com>
Thu, 12 Apr 2018 15:16:08 +0000 (09:16 -0600)
committerJens Axboe <axboe@kernel.dk>
Thu, 12 Apr 2018 15:58:27 +0000 (09:58 -0600)
commit9180495789e5abc86dde30dce0b9e626e546dd81
treef362e9b1727897b8f4b6ec1e4ade171328057910tree | snapshot
parent4f105aec34f1375870addb5d5de5103b947de881commit | diff
nvme-pci: Skip queue deletion if there are no queues

User reported controller always retains CSTS.RDY to 1, which fails
controller disabling when resetting the controller. This is also before
the admin queue is allocated, and trying to disable an unallocated queue
results in a NULL dereference.

Reported-by: Alex Gagniuc <Alex_Gagniuc@Dellteam.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/nvme/host/pci.c diff | blob | history
Linux Kernel Source Tree.