1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 240a24400976..7c3f98ba4afe 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -173,7 +173,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
 {
         int result = 0;
 
-        if (!strncmp(val, "enable", strlen("enable"))) {
+        if (!strncmp(val, "enable", sizeof("enable") - 1)) {
                 result = acpi_debug_trace(trace_method_name, trace_debug_level,
                                           trace_debug_layer, 0);
                 if (result)
@@ -181,7 +181,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
                 goto exit;
         }
 
-        if (!strncmp(val, "disable", strlen("disable"))) {
+        if (!strncmp(val, "disable", sizeof("disable") - 1)) {
                 int name = 0;
                 result = acpi_debug_trace((char *)&name, trace_debug_level,
                                           trace_debug_layer, 0);