commit 701dfc42884790e44073fcd4b131a0d6e2299cf3
author André Almeida <andrealmeid@collabora.com> Mon Sep 16 11:07:58 2019 -0300
committer Jens Axboe <axboe@kernel.dk> Mon Sep 16 08:38:27 2019 -0600
tree 7f635176a79e85fd6fe4ba24119b64c895a9ebed
parent 4467453502f1a2b177c43867119e54671d78b6de

null_blk: match the type of parameter nr_devices

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@wdc.com>
Signed-off-by: André Almeida <andrealmeid@collabora.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

drivers/block/null_blk_main.c

diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c
index 909154b..4caa18a 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;