diff --git a/drivers/extcon/extcon-class.c b/drivers/extcon/extcon-class.c
index 946a3188b2b78a4014f84e93588e8423c41501c0..1e1a3f17a7828895df6d2cfaac8f984ce393c093 100644
--- a/drivers/extcon/extcon-class.c
+++ b/drivers/extcon/extcon-class.c
@@ -41,7 +41,7 @@
  * every single port-type of the following cable names. Please choose cable
  * names that are actually used in your extcon device.
  */
-const char *extcon_cable_name[] = {
+const char extcon_cable_name[][CABLE_NAME_MAX + 1] = {
 	[EXTCON_USB]		= "USB",
 	[EXTCON_USB_HOST]	= "USB-Host",
 	[EXTCON_TA]		= "TA",
@@ -62,8 +62,6 @@ const char *extcon_cable_name[] = {
 	[EXTCON_VIDEO_IN]	= "Video-in",
 	[EXTCON_VIDEO_OUT]	= "Video-out",
 	[EXTCON_MECHANICAL]	= "Mechanical",
-
-	NULL,
 };
 
 static struct class *extcon_class;
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 7443a560c9d059d106e7ce18dcf8813b18502c65..2c26c14cd7100d79ff046b9187409e2f430571eb 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -68,7 +68,7 @@ enum extcon_cable_name {
 	EXTCON_VIDEO_OUT,
 	EXTCON_MECHANICAL,
 };
-extern const char *extcon_cable_name[];
+extern const char extcon_cable_name[][CABLE_NAME_MAX + 1];
 
 struct extcon_cable;