ACPI / sysfs: Treat the count field of counter_show() as unsigned
The count field is an unsigned 32bit value, and the
counter_show() function should also treat it as a unsigned
value.
Otherwise the counter may show negative number as we found on a
machine:
...
gpe23: 0 invalid
gpe24: -2071733 enabled
gpe25: 0 invalid
...
gpe_all: -2070980
sci: -2070949
Signed-off-by: Nan Li <nli@suse.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 13e577c..0876d77b 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -527,7 +527,7 @@
acpi_irq_not_handled;
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE].count =
acpi_gpe_count;
- size = sprintf(buf, "%8d", all_counters[index].count);
+ size = sprintf(buf, "%8u", all_counters[index].count);
/* "gpe_all" or "sci" */
if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS)