X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Ftty%2Fsysrq.c;h=3687f0cad6421c01c4e0e62d2345165c80765dc9;hb=6516ab6fdffbda656253d4e1231660c3f87f7889;hp=814655ee2d6126bace613a3464d81475f2be9362;hpb=9626357371b519f2b955fef399647181034a77fe;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 814655ee2d61..3687f0cad642 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -870,21 +870,20 @@ static struct input_handler sysrq_handler = {
 
 static bool sysrq_handler_registered;
 
+unsigned short platform_sysrq_reset_seq[] __weak = { KEY_RESERVED };
+
 static inline void sysrq_register_handler(void)
 {
-	extern unsigned short platform_sysrq_reset_seq[] __weak;
 	unsigned short key;
 	int error;
 	int i;
 
-	if (platform_sysrq_reset_seq) {
-		for (i = 0; i < ARRAY_SIZE(sysrq_reset_seq); i++) {
-			key = platform_sysrq_reset_seq[i];
-			if (key == KEY_RESERVED || key > KEY_MAX)
-				break;
+	for (i = 0; i < ARRAY_SIZE(sysrq_reset_seq); i++) {
+		key = platform_sysrq_reset_seq[i];
+		if (key == KEY_RESERVED || key > KEY_MAX)
+			break;
 
-			sysrq_reset_seq[sysrq_reset_seq_len++] = key;
-		}
+		sysrq_reset_seq[sysrq_reset_seq_len++] = key;
 	}
 
 	error = input_register_handler(&sysrq_handler);