[PATCH v3 2/3] null_blk: match the type of parameter nr_devices

[Andrà Almeida]

Since the variable nr_devices is an unsigned int, the module_param()
should also use this type. Change the type so they can match.

Fixes: f7c4ce890dd2 ("null_blk: validate the number of devices")
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
Signed-off-by: Andrà Almeida <andrealmeid@xxxxxxxxxxxxx>
---
Changes since v2:
- None

Changes since v1:
- Add "Fixes" tag
---
 drivers/block/null_blk_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c
index be32cb5ed339..5d20d65041bd 100644
--- a/drivers/block/null_blk_main.c
+++ b/drivers/block/null_blk_main.c
@@ -142,7 +142,7 @@ module_param_named(bs, g_bs, int, 0444);
 MODULE_PARM_DESC(bs, "Block size (in bytes)");
 
 static unsigned int nr_devices = 1;
-module_param(nr_devices, int, 0444);
+module_param(nr_devices, uint, 0444);
 MODULE_PARM_DESC(nr_devices, "Number of devices to register");
 
 static bool g_blocking;
-- 
2.23.0