0038-gpt-report-all-revalidation-errors.patch

From 6c9c0a2011b748d239e6f8f8426426323920f50a Mon Sep 17 00:00:00 2001
From: Michael Marineau <michael.marineau@coreos.com>
Date: Wed, 21 Sep 2016 16:02:53 -0700
Subject: [PATCH] gpt: report all revalidation errors

Before returning an error that the primary or backup GPT is invalid push
the existing error onto the stack so the user will be told what is bad.
---
 grub-core/lib/gpt.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/grub-core/lib/gpt.c b/grub-core/lib/gpt.c
index b93cedea1..f6f853309 100644
--- a/grub-core/lib/gpt.c
+++ b/grub-core/lib/gpt.c
@@ -676,13 +676,19 @@ grub_gpt_update_checksums (grub_gpt_t gpt)
   grub_gpt_header_lecrc32 (&gpt->backup.crc32, &gpt->backup);
 
   if (grub_gpt_check_primary (gpt))
-    return grub_error (GRUB_ERR_BUG, "Generated invalid GPT primary header");
+    {
+      grub_error_push ();
+      return grub_error (GRUB_ERR_BUG, "Generated invalid GPT primary header");
+    }
 
   gpt->status |= (GRUB_GPT_PRIMARY_HEADER_VALID |
 		  GRUB_GPT_PRIMARY_ENTRIES_VALID);
 
   if (grub_gpt_check_backup (gpt))
-    return grub_error (GRUB_ERR_BUG, "Generated invalid GPT backup header");
+    {
+      grub_error_push ();
+      return grub_error (GRUB_ERR_BUG, "Generated invalid GPT backup header");
+    }
 
   gpt->status |= (GRUB_GPT_BACKUP_HEADER_VALID |
 		  GRUB_GPT_BACKUP_ENTRIES_VALID);