1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index bb6045c5385b..db5293650f62 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -564,6 +564,7 @@ static ssize_t counter_set(struct kobject *kobj,
         acpi_event_status status;
         acpi_handle handle;
         int result = 0;
+        unsigned long tmp;
 
         if (index == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI) {
                 int i;
@@ -596,8 +597,10 @@ static ssize_t counter_set(struct kobject *kobj,
                 else if (!strcmp(buf, "clear\n") &&
                          (status & ACPI_EVENT_FLAG_SET))
                         result = acpi_clear_gpe(handle, index);
+                else if (!kstrtoul(buf, 0, &tmp))
+                        all_counters[index].count = tmp;
                 else
-                        all_counters[index].count = strtoul(buf, NULL, 0);
+                        result = -EINVAL;
         } else if (index < num_gpes + ACPI_NUM_FIXED_EVENTS) {
                 int event = index - num_gpes;
                 if (!strcmp(buf, "disable\n") &&
@@ -609,8 +612,10 @@ static ssize_t counter_set(struct kobject *kobj,
                 else if (!strcmp(buf, "clear\n") &&
                          (status & ACPI_EVENT_FLAG_SET))
                         result = acpi_clear_event(event);
+                else if (!kstrtoul(buf, 0, &tmp))
+                        all_counters[index].count = tmp;
                 else
-                        all_counters[index].count = strtoul(buf, NULL, 0);
+                        result = -EINVAL;
         } else
                 all_counters[index].count = strtoul(buf, NULL, 0);