From 1d676f2cf03c5617b95ce8e212225923103d3ecf Mon Sep 17 00:00:00 2001
From: Herman Semenoff <GermanAizek@yandex.ru>
Date: Wed, 8 Jul 2026 06:33:39 +0300
Subject: [PATCH] bltgrid: fix rc not check after uefi_call_wrapper

---
 apps/bltgrid.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/apps/bltgrid.c b/apps/bltgrid.c
index 045de821..dea9ccfb 100644
--- a/apps/bltgrid.c
+++ b/apps/bltgrid.c
@@ -51,6 +51,10 @@ draw_boxes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
 			Print(u"Trying to start GOP with SetMode().\n");
 			rc = uefi_call_wrapper(gop->SetMode, 2, gop,
 				gop->Mode ? gop->Mode->Mode : 0);
+			if (EFI_ERROR(rc)) {
+				Print(u"gop->SetMode() returned %r\n", rc);
+				continue;
+			}
 			rc = uefi_call_wrapper(gop->QueryMode, 4, gop, i,
 				&SizeOfInfo, &info);
 		}