linux-kernel - [PATCH] kdb: include header in signal handling code

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Date:   Wed, 17 May 2023 14:54:09 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Jason Wessel <jason.wessel@...driver.com>,
        Daniel Thompson <daniel.thompson@...aro.org>
Cc:     kgdb-bugreport@...ts.sourceforge.net,
        Douglas Anderson <dianders@...omium.org>,
        Arnd Bergmann <arnd@...db.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] kdb: include header in signal handling code

From: Arnd Bergmann <arnd@...db.de>

kdb_send_sig() is defined in the signal code and called from kdb,
but the declaration is part of the kdb internal code.
Include this from signal.c as well to avoid the warning:

kernel/signal.c:4789:6: error: no previous prototype for 'kdb_send_sig' [-Werror=missing-prototypes]

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 kernel/signal.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/signal.c b/kernel/signal.c
index 8f6330f0e9ca..d38df14f71ac 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -4780,6 +4780,8 @@ void __init signals_init(void)
 
 #ifdef CONFIG_KGDB_KDB
 #include <linux/kdb.h>
+#include "debug/kdb/kdb_private.h"
+
 /*
  * kdb_send_sig - Allows kdb to send signals without exposing
  * signal internals.  This function checks if the required locks are
-- 
2.39.2