[PATCH 1/1] efi_loader: compliance Simple Text Input Ex Protocol

[Heinrich Schuchardt]

We cannot expect the buffers passed to the input protocols to be zero
filled. If only modifier keys are pressed, we have to return EFI_NOT_READY
but we still have to fill the key structure.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
 lib/efi_loader/efi_console.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c
index 3164fd484e..1fcaabe1c4 100644
--- a/lib/efi_loader/efi_console.c
+++ b/lib/efi_loader/efi_console.c
@@ -987,6 +987,7 @@ static efi_status_t EFIAPI efi_cin_read_key_stroke_ex(
 	efi_cin_check();
 
 	if (!key_available) {
+		memset(key_data, 0, sizeof(struct efi_key_data));
 		ret = EFI_NOT_READY;
 		goto out;
 	}
-- 
2.37.2