diff options
| -rw-r--r-- | drivers/platform/x86/dell-wmi-sysman/int-attributes.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/platform/x86/dell-wmi-sysman/int-attributes.c b/drivers/platform/x86/dell-wmi-sysman/int-attributes.c index ea773d8e8d3a..75aedbb733be 100644 --- a/drivers/platform/x86/dell-wmi-sysman/int-attributes.c +++ b/drivers/platform/x86/dell-wmi-sysman/int-attributes.c @@ -39,7 +39,7 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a * @instance_id: The instance on which input is validated * @buf: Input value */ -static int validate_integer_input(int instance_id, const char *buf) +static int validate_integer_input(int instance_id, char *buf) { int in_val; int ret; @@ -51,6 +51,12 @@ static int validate_integer_input(int instance_id, const char *buf) in_val > wmi_priv.integer_data[instance_id].max_value) return -EINVAL; + /* workaround for BIOS error. + * validate input to avoid setting 0 when integer input passed with + sign + */ + if (*buf == '+') + memmove(buf, (buf + 1), strlen(buf + 1) + 1); + return ret; } |