diff --git a/drivers/gpu/drm/sysfb/ofdrm.c b/drivers/gpu/drm/sysfb/ofdrm.c
index 819aed466727..a6dc34b9ec0f 100644
--- a/drivers/gpu/drm/sysfb/ofdrm.c
+++ b/drivers/gpu/drm/sysfb/ofdrm.c
@@ -2,6 +2,7 @@
 
 #include <linux/aperture.h>
 #include <linux/of_address.h>
+#include <linux/overflow.h>
 #include <linux/pci.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
@@ -913,7 +914,10 @@ static struct ofdrm_device *ofdrm_device_create(struct drm_driver *drv,
 			return ERR_PTR(-EINVAL);
 	}
 
-	fb_size = linebytes * height;
+	if (check_mul_overflow(linebytes, height, &fb_size)) {
+		drm_err(dev, "framebuffer size exceeds maximum\n");
+		return ERR_PTR(-EINVAL);
+	}
 
 	/*
 	 * Try to figure out the address of the framebuffer. Unfortunately, Open