nvmet-tcp: validate idle poll modparam value

The module parameter idle_poll_period_usecs is passed to the function
usecs_to_jiffies() which has following prototype and expect
idle_poll_period_usecs arg type to be unsigned int:-

unsigned long usecs_to_jiffies(const unsigned int u);

Use similar module parameter validation callback as previous patch.

Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 85ffcc8..ed98df7 100644 (file)
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -61,9 +61,10 @@ MODULE_PARM_DESC(so_priority, "nvmet tcp socket optimize priority: Default 0");
  * using advanced interrupt moderation techniques.
  */
 static int idle_poll_period_usecs;
-module_param(idle_poll_period_usecs, int, 0644);
+device_param_cb(idle_poll_period_usecs, &set_param_ops,
+               &idle_poll_period_usecs, 0644);
 MODULE_PARM_DESC(idle_poll_period_usecs,
-               "nvmet tcp io_work poll till idle time period in usecs");
+               "nvmet tcp io_work poll till idle time period in usecs: Default 0");
 
 #define NVMET_TCP_RECV_BUDGET          8
 #define NVMET_TCP_SEND_BUDGET          8