diff options
| -rw-r--r-- | drivers/platform/x86/eeepc-laptop.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index bd533c22be57..3095d386c7f4 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -263,13 +263,11 @@ static int acpi_setter_handle(struct eeepc_laptop *eeepc, int cm, /* * Sys helpers */ -static int parse_arg(const char *buf, unsigned long count, int *val) +static int parse_arg(const char *buf, int *val) { - if (!count) - return 0; if (sscanf(buf, "%i", val) != 1) return -EINVAL; - return count; + return 0; } static ssize_t store_sys_acpi(struct device *dev, int cm, @@ -278,12 +276,13 @@ static ssize_t store_sys_acpi(struct device *dev, int cm, struct eeepc_laptop *eeepc = dev_get_drvdata(dev); int rv, value; - rv = parse_arg(buf, count, &value); - if (rv > 0) - value = set_acpi(eeepc, cm, value); - if (value < 0) + rv = parse_arg(buf, &value); + if (rv < 0) + return rv; + rv = set_acpi(eeepc, cm, value); + if (rv < 0) return -EIO; - return rv; + return count; } static ssize_t show_sys_acpi(struct device *dev, int cm, char *buf) @@ -377,13 +376,13 @@ static ssize_t store_cpufv(struct device *dev, return -EPERM; if (get_cpufv(eeepc, &c)) return -ENODEV; - rv = parse_arg(buf, count, &value); + rv = parse_arg(buf, &value); if (rv < 0) return rv; - if (!rv || value < 0 || value >= c.num) + if (value < 0 || value >= c.num) return -EINVAL; set_acpi(eeepc, CM_ASL_CPUFV, value); - return rv; + return count; } static ssize_t show_cpufv_disabled(struct device *dev, @@ -402,7 +401,7 @@ static ssize_t store_cpufv_disabled(struct device *dev, struct eeepc_laptop *eeepc = dev_get_drvdata(dev); int rv, value; - rv = parse_arg(buf, count, &value); + rv = parse_arg(buf, &value); if (rv < 0) return rv; @@ -412,7 +411,7 @@ static ssize_t store_cpufv_disabled(struct device *dev, pr_warn("cpufv enabled (not officially supported " "on this model)\n"); eeepc->cpufv_disabled = false; - return rv; + return count; case 1: return -EPERM; default: @@ -1042,10 +1041,11 @@ static ssize_t store_sys_hwmon(void (*set)(int), const char *buf, size_t count) { int rv, value; - rv = parse_arg(buf, count, &value); - if (rv > 0) - set(value); - return rv; + rv = parse_arg(buf, &value); + if (rv < 0) + return rv; + set(value); + return count; } static ssize_t show_sys_hwmon(int (*get)(void), char *buf) |