5593c8
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
5593c8
From: Robbie Harwood <rharwood@redhat.com>
5593c8
Date: Tue, 12 Oct 2021 12:34:23 -0400
5593c8
Subject: [PATCH] Print module name on license check failure
5593c8
5593c8
At the very least, this will make it easier to track down the problem
5593c8
module - or, if something else has gone wrong, provide more information
5593c8
for debugging.
5593c8
5593c8
Signed-off-by: Robbie Harwood <rharwood@redhat.com>
5593c8
---
5593c8
 grub-core/kern/dl.c | 10 ++++++----
5593c8
 1 file changed, 6 insertions(+), 4 deletions(-)
5593c8
5593c8
diff --git a/grub-core/kern/dl.c b/grub-core/kern/dl.c
fd0330
index 9557254035..f304494574 100644
5593c8
--- a/grub-core/kern/dl.c
5593c8
+++ b/grub-core/kern/dl.c
5593c8
@@ -528,14 +528,16 @@ grub_dl_find_section_index (Elf_Ehdr *e, const char *name)
5593c8
    Be sure to understand your license obligations.
5593c8
 */
5593c8
 static grub_err_t
5593c8
-grub_dl_check_license (Elf_Ehdr *e)
5593c8
+grub_dl_check_license (grub_dl_t mod, Elf_Ehdr *e)
5593c8
 {
5593c8
   Elf_Shdr *s = grub_dl_find_section (e, ".module_license");
5593c8
   if (s && (grub_strcmp ((char *) e + s->sh_offset, "LICENSE=GPLv3") == 0
5593c8
 	    || grub_strcmp ((char *) e + s->sh_offset, "LICENSE=GPLv3+") == 0
5593c8
 	    || grub_strcmp ((char *) e + s->sh_offset, "LICENSE=GPLv2+") == 0))
5593c8
     return GRUB_ERR_NONE;
5593c8
-  return grub_error (GRUB_ERR_BAD_MODULE, "incompatible license");
5593c8
+  return grub_error (GRUB_ERR_BAD_MODULE,
5593c8
+		     "incompatible license in module %s: %s", mod->name,
5593c8
+		     (char *) e + s->sh_offset);
5593c8
 }
5593c8
 
5593c8
 static grub_err_t
5593c8
@@ -743,8 +745,8 @@ grub_dl_load_core_noinit (void *addr, grub_size_t size)
5593c8
      constitutes linking) and GRUB core being licensed under GPLv3+.
5593c8
      Be sure to understand your license obligations.
5593c8
   */
5593c8
-  if (grub_dl_check_license (e)
5593c8
-      || grub_dl_resolve_name (mod, e)
5593c8
+  if (grub_dl_resolve_name (mod, e)
5593c8
+      || grub_dl_check_license (mod, e)
5593c8
       || grub_dl_resolve_dependencies (mod, e)
5593c8
       || grub_dl_load_segments (mod, e)
5593c8
       || grub_dl_resolve_symbols (mod, e)