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efi_loader: GOP fix for no display

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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>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Rob Clark
2017-08-04 07:52:03 -04:00
committed by Alexander Graf
parent 796a78cbe5
commit 3d9880784e
1 changed files with 1 additions and 1 deletions
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2
lib/efi_loader/efi_gop.c
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@@ -137,7 +137,7 @@ int efi_gop_register(void)
struct udevice *vdev; struct udevice *vdev;
/* We only support a single video output device for now */ /* 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; return -1;
struct video_priv *priv = dev_get_uclass_priv(vdev); struct video_priv *priv = dev_get_uclass_priv(vdev);