[U-Boot] [PATCH] efi_loader: GOP fix for no display

Rob Clark robdclark at gmail.com
Fri Aug 4 11:52:03 UTC 2017


uclass_first_device() returns 0 if there is no device, but error if
there is a device that failed to probe.

Signed-off-by: Rob Clark <robdclark at gmail.com>
---
 lib/efi_loader/efi_gop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c
index e063e0c79b..411a8c9226 100644
--- a/lib/efi_loader/efi_gop.c
+++ b/lib/efi_loader/efi_gop.c
@@ -137,7 +137,7 @@ int efi_gop_register(void)
 	struct udevice *vdev;
 
 	/* We only support a single video output device for now */
-	if (uclass_first_device(UCLASS_VIDEO, &vdev))
+	if (uclass_first_device(UCLASS_VIDEO, &vdev) || !vdev)
 		return -1;
 
 	struct video_priv *priv = dev_get_uclass_priv(vdev);
-- 
2.13.0



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