[PATCH] dl: fix grub_dl_is_persistent() for EMU - Gary Lin via Grub-devel

From: Gary Lin via Grub-devel <grub-devel@gnu.org>
To: The development of GNU GRUB <grub-devel@gnu.org>
Cc: Gary Lin <glin@suse.com>, Daniel Kiper <daniel.kiper@oracle.com>,
	Daniel Axtens <dja@axtens.net>,
	Sudhakar Kuppusamy <sudhakar@linux.ibm.com>
Subject: [PATCH] dl: fix grub_dl_is_persistent() for EMU
Date: Thu,  3 Jul 2025 14:09:41 +0800	[thread overview]
Message-ID: <20250703060941.14883-1-glin@suse.com> (raw)

When attempting to build grub-emu, the compilation failed with the
following error message:

include/grub/dl.h: In function ‘grub_dl_is_persistent’:
include/grub/dl.h:262:1: error: no return statement in function returning non-void [-Werror=return-type]

To avoid the erorr, make the function always return 0.

Fixes: ba8eadde6be1 (dl: Provide a fake grub_dl_set_persistent() and grub_dl_is_persistent() for the emu target)

Signed-off-by: Gary Lin <glin@suse.com>
Cc: Daniel Axtens <dja@axtens.net>
Cc: Sudhakar Kuppusamy <sudhakar@linux.ibm.com>
---
 include/grub/dl.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/grub/dl.h b/include/grub/dl.h
index b8135c8f3..53bf9abdb 100644
--- a/include/grub/dl.h
+++ b/include/grub/dl.h
@@ -259,6 +259,7 @@ grub_dl_set_persistent (grub_dl_t mod __attribute__((unused)))
 static inline int
 grub_dl_is_persistent (grub_dl_t mod __attribute__((unused)))
 {
+  return 0;
 }
 #else
 static inline void
-- 
2.43.0


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