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nvme/pci: Fix write and poll queue types 

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>
This commit is contained in:
Keith Busch 2019-12-07 01:51:54 +09:00
parent f6c4d97b0d
commit 3f68baf706
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;