linux-kernel - [PATCH] module.h: Annotate mod_kallsyms with _

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Message-Id: <20200122170447.20539-1-madhuparnabhowmik10@gmail.com>
Date:   Wed, 22 Jan 2020 22:34:47 +0530
From:   madhuparnabhowmik10@...il.com
To:     jeyu@...nel.org
Cc:     linux-kernel@...r.kernel.org, joel@...lfernandes.org,
        frextrite@...il.com, rcu@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org, paulmck@...nel.org,
        Madhuparna Bhowmik <madhuparnabhowmik10@...il.com>
Subject: [PATCH] module.h: Annotate mod_kallsyms with __rcu

From: Madhuparna Bhowmik <madhuparnabhowmik10@...il.com>

This patch fixes the following sparse errors:

kernel/module.c:3623:9: error: incompatible types in comparison expression
kernel/module.c:4060:41: error: incompatible types in comparison expression
kernel/module.c:4203:28: error: incompatible types in comparison expression
kernel/module.c:4225:41: error: incompatible types in comparison expression

Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@...il.com>
---
 include/linux/module.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/module.h b/include/linux/module.h
index bd165ba68617..dfdc8863e26a 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -429,7 +429,7 @@ struct module {
 
 #ifdef CONFIG_KALLSYMS
 	/* Protected by RCU and/or module_mutex: use rcu_dereference() */
-	struct mod_kallsyms *kallsyms;
+	struct mod_kallsyms __rcu *kallsyms;
 	struct mod_kallsyms core_kallsyms;
 
 	/* Section attributes */
-- 
2.17.1