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-rw-r--r--tools/power/acpi/os_specific/service_layers/oslinuxtbl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
index 92f1fd700344..db15c9d2049e 100644
--- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
+++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
@@ -1156,7 +1156,7 @@ osl_table_name_from_file(char *filename, char *signature, u32 *instance)
/* Extract instance number */
if (isdigit((int)filename[ACPI_NAME_SIZE])) {
- sscanf(&filename[ACPI_NAME_SIZE], "%d", instance);
+ sscanf(&filename[ACPI_NAME_SIZE], "%u", instance);
} else if (strlen(filename) != ACPI_NAME_SIZE) {
return (AE_BAD_SIGNATURE);
} else {

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