grub2/0002-cryptodisk-Fallback-to-passphrase.patch

From e62b26f9765e309691e014f322d4b02b220956a1 Mon Sep 17 00:00:00 2001
From: Patrick Colp <patrick.colp@oracle.com>
Date: Sun, 30 Jul 2023 12:58:18 -0700
Subject: [PATCH 2/4] cryptodisk: Fallback to passphrase

If a protector is specified, but it fails to unlock the disk, fall back
to asking for the passphrase. However, an error was set indicating that
the protector(s) failed. Later code (e.g., LUKS code) fails as
`grub_errno` is now set. Print the existing errors out first, before
proceeding with the passphrase.

Signed-off-by: Patrick Colp <patrick.colp@oracle.com>
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
---
 grub-core/disk/cryptodisk.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/grub-core/disk/cryptodisk.c b/grub-core/disk/cryptodisk.c
index af4104178..f9842f776 100644
--- a/grub-core/disk/cryptodisk.c
+++ b/grub-core/disk/cryptodisk.c
@@ -1193,11 +1193,16 @@ grub_cryptodisk_scan_device_real (const char *name,
 		  source->name, source->partition != NULL ? "," : "",
 		  part != NULL ? part : N_("UNKNOWN"), dev->uuid);
       grub_free (part);
-      goto error;
     }
 
   if (!cargs->key_len)
     {
+      if (grub_errno)
+	{
+	  grub_print_error ();
+	  grub_errno = GRUB_ERR_NONE;
+	}
+
       /* Get the passphrase from the user, if no key data. */
       askpass = 1;
       part = grub_partition_get_name (source->partition);
-- 
2.35.3