Input: drivers/joystick - fix various sparse warnings
Fix various issues pointed by sparse:
- module_param_array_named() takes unsigned int as number
of parameters argument
- shadowing of global variables is not healthy. I think there was
once a bug in db9 caused by it.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c
index 0f2c608..8381c6f 100644
--- a/drivers/input/joystick/turbografx.c
+++ b/drivers/input/joystick/turbografx.c
@@ -48,16 +48,16 @@
struct tgfx_config {
int args[TGFX_MAX_DEVICES + 1];
- int nargs;
+ unsigned int nargs;
};
-static struct tgfx_config tgfx[TGFX_MAX_PORTS] __initdata;
+static struct tgfx_config tgfx_cfg[TGFX_MAX_PORTS] __initdata;
-module_param_array_named(map, tgfx[0].args, int, &tgfx[0].nargs, 0);
+module_param_array_named(map, tgfx_cfg[0].args, int, &tgfx_cfg[0].nargs, 0);
MODULE_PARM_DESC(map, "Describes first set of devices (<parport#>,<js1>,<js2>,..<js7>");
-module_param_array_named(map2, tgfx[1].args, int, &tgfx[1].nargs, 0);
+module_param_array_named(map2, tgfx_cfg[1].args, int, &tgfx_cfg[1].nargs, 0);
MODULE_PARM_DESC(map2, "Describes second set of devices");
-module_param_array_named(map3, tgfx[2].args, int, &tgfx[2].nargs, 0);
+module_param_array_named(map3, tgfx_cfg[2].args, int, &tgfx_cfg[2].nargs, 0);
MODULE_PARM_DESC(map3, "Describes third set of devices");
#define TGFX_REFRESH_TIME HZ/100 /* 10 ms */
@@ -283,16 +283,18 @@
int err = 0;
for (i = 0; i < TGFX_MAX_PORTS; i++) {
- if (tgfx[i].nargs == 0 || tgfx[i].args[0] < 0)
+ if (tgfx_cfg[i].nargs == 0 || tgfx_cfg[i].args[0] < 0)
continue;
- if (tgfx[i].nargs < 2) {
+ if (tgfx_cfg[i].nargs < 2) {
printk(KERN_ERR "turbografx.c: at least one joystick must be specified\n");
err = -EINVAL;
break;
}
- tgfx_base[i] = tgfx_probe(tgfx[i].args[0], tgfx[i].args + 1, tgfx[i].nargs - 1);
+ tgfx_base[i] = tgfx_probe(tgfx_cfg[i].args[0],
+ tgfx_cfg[i].args + 1,
+ tgfx_cfg[i].nargs - 1);
if (IS_ERR(tgfx_base[i])) {
err = PTR_ERR(tgfx_base[i]);
break;