diff --git a/[refs] b/[refs]
index 92c709e62ac1..0dc7a1a4ef85 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a5ca7345c1e67cd12cf75a9ec034c7d34786ae79
+refs/heads/master: 869639f9e7ff5ca337b27469c298dd11c29cf0fa
diff --git a/trunk/drivers/acpi/sysfs.c b/trunk/drivers/acpi/sysfs.c
index 240a24400976..7c3f98ba4afe 100644
--- a/trunk/drivers/acpi/sysfs.c
+++ b/trunk/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);