From 273b612aeef8e85ff4bcb2c41ad14dda3a15f5b2 Mon Sep 17 00:00:00 2001
From: jsg <jsg@openbsd.org>
Date: Mon, 17 May 2021 02:18:07 +0000
Subject: [PATCH] drm/radeon: fix copy of uninitialized variable back to
 userspace

From Colin Ian King
8dbc2ccac5a65c5b57e3070e36a3dc97c7970d96 in mainline linux
---
 sys/dev/pci/drm/radeon/radeon_kms.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/dev/pci/drm/radeon/radeon_kms.c b/sys/dev/pci/drm/radeon/radeon_kms.c
index 7d3569b1221..fddf2c39c57 100644
--- a/sys/dev/pci/drm/radeon/radeon_kms.c
+++ b/sys/dev/pci/drm/radeon/radeon_kms.c
@@ -1236,6 +1236,7 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 			*value = rdev->config.si.backend_enable_mask;
 		} else {
 			DRM_DEBUG_KMS("BACKEND_ENABLED_MASK is si+ only!\n");
+			return -EINVAL;
 		}
 		break;
 	case RADEON_INFO_MAX_SCLK:
-- 
2.20.1