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

Message ID 20170804115209.18732-1-robdclark@gmail.com
State Accepted
Commit 3d9880784ed5cd503b0d69128ea1841102ff522e
Delegated to: Alexander Graf
Headers show

Commit Message

Rob Clark Aug. 4, 2017, 11:52 a.m. UTC
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@gmail.com>
---
 lib/efi_loader/efi_gop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Alexander Graf Aug. 31, 2017, 4:20 p.m. UTC | #1
> 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@gmail.com>

Thanks, applied to efi-next

Alex
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Patch

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);