Merge tag 'signed-efi-next' of git://github.com/agraf/u-boot

EFI Fixes for 2017.09:
  - Fix GOP w/o display
  - Fix LocateHandle
  - Fix exit return value truncation
  - Fix missing EFIAPI in efi_locate_handle (for x86)

3 files changed, 7 insertions, 4 deletions

diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 59479eddb9..43f32385fa 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -611,7 +611,7 @@ static int efi_search(enum efi_locate_search_type search_type,
 	return -1;
 }
 
-static efi_status_t EFIAPI efi_locate_handle(
+static efi_status_t efi_locate_handle(
 			enum efi_locate_search_type search_type,
 			efi_guid_t *protocol, void *search_key,
 			unsigned long *buffer_size, efi_handle_t *buffer)
@@ -633,6 +633,10 @@ static efi_status_t EFIAPI efi_locate_handle(
 		return EFI_BUFFER_TOO_SMALL;
 	}
 
+	*buffer_size = size;
+	if (size == 0)
+		return EFI_NOT_FOUND;
+
 	/* Then fill the array */
 	list_for_each(lhandle, &efi_obj_list) {
 		struct efi_object *efiobj;
@@ -642,7 +646,6 @@ static efi_status_t EFIAPI efi_locate_handle(
 		}
 	}
 
-	*buffer_size = size;
 	return EFI_SUCCESS;
 }
 
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);
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c
index dd52755d1d..ad7f3754bd 100644
--- a/lib/efi_loader/efi_runtime.c
+++ b/lib/efi_loader/efi_runtime.c
@@ -325,7 +325,7 @@ void efi_add_runtime_mmio(void *mmio_ptr, u64 len)
 {
 	struct efi_runtime_mmio_list *newmmio;
 
-	u64 pages = (len + EFI_PAGE_SIZE - 1) >> EFI_PAGE_SHIFT;
+	u64 pages = (len + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
 	efi_add_memory_map(*(uintptr_t *)mmio_ptr, pages, EFI_MMAP_IO, false);
 
 	newmmio = calloc(1, sizeof(*newmmio));