From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Thu, 5 Jul 2018 06:17:59 +0000 (+0200)
Subject: efi_loader: EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset()
X-Git-Tag: v2018.09-rc1~2^2~18
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=4f187897703ab38b12bb9b5a733028aa0083a618;p=oweals%2Fu-boot.git

efi_loader: EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset()

Implement the reset service of the EFI_SIMPLE_TEXT_INPUT_PROTOCOL.

This should resolve the error reported by the SCT in
Protocol/SimpleTextIn/BlackBoxTest/SimpleTextInBBTestFunction.c:193

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
---

diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c
index ce66c935ec..1d52753456 100644
--- a/lib/efi_loader/efi_console.c
+++ b/lib/efi_loader/efi_console.c
@@ -381,7 +381,12 @@ static efi_status_t EFIAPI efi_cin_reset(
 			bool extended_verification)
 {
 	EFI_ENTRY("%p, %d", this, extended_verification);
-	return EFI_EXIT(EFI_UNSUPPORTED);
+
+	/* Empty input buffer */
+	while (tstc())
+		getc();
+
+	return EFI_EXIT(EFI_SUCCESS);
 }
 
 /*