linux-kernel - [PATCH v4 04/17] module: Make mod_verify

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Message-Id: <20260113-module-hashes-v4-4-0b932db9b56b@weissschuh.net>
Date: Tue, 13 Jan 2026 13:28:48 +0100
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Nathan Chancellor <nathan@...nel.org>, Arnd Bergmann <arnd@...db.de>, 
 Luis Chamberlain <mcgrof@...nel.org>, Petr Pavlu <petr.pavlu@...e.com>, 
 Sami Tolvanen <samitolvanen@...gle.com>, 
 Daniel Gomez <da.gomez@...sung.com>, Paul Moore <paul@...l-moore.com>, 
 James Morris <jmorris@...ei.org>, "Serge E. Hallyn" <serge@...lyn.com>, 
 Jonathan Corbet <corbet@....net>, Madhavan Srinivasan <maddy@...ux.ibm.com>, 
 Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>, 
 Naveen N Rao <naveen@...nel.org>, Mimi Zohar <zohar@...ux.ibm.com>, 
 Roberto Sassu <roberto.sassu@...wei.com>, 
 Dmitry Kasatkin <dmitry.kasatkin@...il.com>, 
 Eric Snowberg <eric.snowberg@...cle.com>, 
 Nicolas Schier <nicolas.schier@...ux.dev>, 
 Daniel Gomez <da.gomez@...nel.org>, Aaron Tomlin <atomlin@...mlin.com>, 
 "Christophe Leroy (CS GROUP)" <chleroy@...nel.org>, 
 Nicolas Schier <nsc@...nel.org>, 
 Nicolas Bouchinet <nicolas.bouchinet@....cyber.gouv.fr>, 
 Xiu Jianfeng <xiujianfeng@...wei.com>, Nicolas Schier <nsc@...nel.org>, 
 Christophe Leroy <chleroy@...nel.org>
Cc: Fabian Grünbichler <f.gruenbichler@...xmox.com>, 
 Arnout Engelen <arnout@...t.net>, Mattia Rizzolo <mattia@...reri.org>, 
 kpcyrd <kpcyrd@...hlinux.org>, Christian Heusel <christian@...sel.eu>, 
 Câju Mihai-Drosi <mcaju95@...il.com>, 
 Sebastian Andrzej Siewior <bigeasy@...utronix.de>, 
 linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arch@...r.kernel.org, linux-modules@...r.kernel.org, 
 linux-security-module@...r.kernel.org, linux-doc@...r.kernel.org, 
 linuxppc-dev@...ts.ozlabs.org, linux-integrity@...r.kernel.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v4 04/17] module: Make mod_verify_sig() static

It is not used outside of signing.c.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 kernel/module/internal.h | 1 -
 kernel/module/signing.c  | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/module/internal.h b/kernel/module/internal.h
index 618202578b42..e68fbcd60c35 100644
--- a/kernel/module/internal.h
+++ b/kernel/module/internal.h
@@ -119,7 +119,6 @@ struct module_use {
 	struct module *source, *target;
 };

-int mod_verify_sig(const void *mod, struct load_info *info);
 int try_to_force_load(struct module *mod, const char *reason);
 bool find_symbol(struct find_symbol_arg *fsa);
 struct module *find_module_all(const char *name, size_t len, bool even_unformed);
diff --git a/kernel/module/signing.c b/kernel/module/signing.c
index a2ff4242e623..fe3f51ac6199 100644
--- a/kernel/module/signing.c
+++ b/kernel/module/signing.c
@@ -40,7 +40,7 @@ void set_module_sig_enforced(void)
 /*
  * Verify the signature on a module.
  */
-int mod_verify_sig(const void *mod, struct load_info *info)
+static int mod_verify_sig(const void *mod, struct load_info *info)
 {
 	struct module_signature ms;
 	size_t sig_len, modlen = info->len;

-- 
2.52.0