X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Ftty%2Fhvc%2Fhvc_dcc.c;fp=drivers%2Ftty%2Fhvc%2Fhvc_dcc.c;h=82f240fb98f00e8493c68cd331fa95a2d9be57da;hb=fd0d351de7bbd718bc2b34d5846854831aa2b88c;hp=809920d80a66da7c08f8cd653451fa2fdcec636e;hpb=3d6f47801c34e42da26e2b6b29706f0bfe423978;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c
index 809920d80a66..82f240fb98f0 100644
--- a/drivers/tty/hvc/hvc_dcc.c
+++ b/drivers/tty/hvc/hvc_dcc.c
@@ -70,20 +70,27 @@ static const struct hv_ops hvc_dcc_get_put_ops = {
 
 static int __init hvc_dcc_console_init(void)
 {
+	int ret;
+
 	if (!hvc_dcc_check())
 		return -ENODEV;
 
-	hvc_instantiate(0, 0, &hvc_dcc_get_put_ops);
-	return 0;
+	/* Returns -1 if error */
+	ret = hvc_instantiate(0, 0, &hvc_dcc_get_put_ops);
+
+	return ret < 0 ? -ENODEV : 0;
 }
 console_initcall(hvc_dcc_console_init);
 
 static int __init hvc_dcc_init(void)
 {
+	struct hvc_struct *p;
+
 	if (!hvc_dcc_check())
 		return -ENODEV;
 
-	hvc_alloc(0, 0, &hvc_dcc_get_put_ops, 128);
-	return 0;
+	p = hvc_alloc(0, 0, &hvc_dcc_get_put_ops, 128);
+
+	return PTR_ERR_OR_ZERO(p);
 }
 device_initcall(hvc_dcc_init);