linux-kernel - [PATCH 2/2] module: Simplify warning on positive returns from module

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Message-ID: <20251013-module-warn-ret-v1-2-ab65b41af01f@intel.com>
Date: Mon, 13 Oct 2025 09:26:24 -0700
From: Lucas De Marchi <lucas.demarchi@...el.com>
To: linux-modules@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Lucas De Marchi <lucas.demarchi@...el.com>,
	Petr Pavlu <petr.pavlu@...e.com>
Subject: [PATCH 2/2] module: Simplify warning on positive returns from module_init()

It should now be rare to trigger this warning - it doesn't need to be so
verbose. Make it follow the usual style in the module loading code.

For the same reason, drop the dump_stack().

Suggested-by: Petr Pavlu <petr.pavlu@...e.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@...el.com>
---
 kernel/module/main.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/kernel/module/main.c b/kernel/module/main.c
index 74ff87b13c517..31c54bf6df4b2 100644
--- a/kernel/module/main.c
+++ b/kernel/module/main.c
@@ -3045,13 +3045,9 @@ static noinline int do_init_module(struct module *mod)
 		}
 		goto fail_free_freeinit;
 	}
-	if (ret > 0) {
-		pr_warn("%s: '%s'->init suspiciously returned %d, it should "
-			"follow 0/-E convention\n"
-			"%s: loading module anyway...\n",
-			__func__, mod->name, ret, __func__);
-		dump_stack();
-	}
+	if (ret > 0)
+		pr_warn("%s: init suspiciously returned %d, it should follow 0/-E convention\n",
+			mod->name, ret);
 
 	/* Now it's a first class citizen! */
 	mod->state = MODULE_STATE_LIVE;

-- 
2.51.0