As suggested, this is used for signed rather than unsigned
Signed-off-by: Roel Kluin <roel.kl...@gmail.com>
---
diff --git a/drivers/macintosh/therm_adt746x.c
b/drivers/macintosh/therm_adt746x.c
index 82607ad..c0621d5 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -498,8 +498,8 @@ static ssize_t store_##name(struct device *dev, struct
device_attribute *attr, c
#define BUILD_STORE_FUNC_INT(name, data) \
static ssize_t store_##name(struct device *dev, struct device_attribute *attr,
const char *buf, size_t n) \
{ \
- u32 val; \
- val = simple_strtoul(buf, NULL, 10); \
+ int val; \
+ val = simple_strtol(buf, NULL, 10); \
if (val < 0 || val > 255) \
return -EINVAL; \
printk(KERN_INFO "Setting specified fan speed to %d\n", val); \
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