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nvme/pci: Fix write and poll queue types

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[ Upstream commit 3f68baf706ec68c4120867c25bc439c845fe3e17 ]

The number of poll or write queues should never be negative. Use unsigned
types so that it's not possible to break have the driver not allocate
any queues.

Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Keith Busch 2019-12-07 01:51:54 +09:00 • committed by Greg Kroah-Hartman
commit 29cfb7940e
1 changed files with 4 additions and 4 deletions
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8
drivers/nvme/host/pci.c
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@ -68,14 +68,14 @@ static int io_queue_depth = 1024;
module_param_cb(io_queue_depth, &io_queue_depth_ops, &io_queue_depth, 0644);
MODULE_PARM_DESC(io_queue_depth, "set io queue depth, should >= 2");
static int write_queues;
module_param(write_queues, int, 0644);
static unsigned int write_queues;
module_param(write_queues, uint, 0644);
MODULE_PARM_DESC(write_queues,
"Number of queues to use for writes. If not set, reads and writes "
"will share a queue set.");
static int poll_queues;
module_param(poll_queues, int, 0644);
static unsigned int poll_queues;
module_param(poll_queues, uint, 0644);
MODULE_PARM_DESC(poll_queues, "Number of queues to use for polled IO.");
struct nvme_dev;