linux-kernel - [PATCH 09/13] timer: Remove users of expire and data arguments to DEFINE

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Message-Id: <1507159627-127660-10-git-send-email-keescook@chromium.org>
Date:   Wed,  4 Oct 2017 16:27:03 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Kees Cook <keescook@...omium.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Wim Van Sebroeck <wim@...ana.be>,
        Guenter Roeck <linux@...ck-us.net>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-mips@...ux-mips.org, linux-watchdog@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Chris Metcalf <cmetcalf@...lanox.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Harish Patil <harish.patil@...ium.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        John Stultz <john.stultz@...aro.org>,
        Julian Wiedmann <jwi@...ux.vnet.ibm.com>,
        Kalle Valo <kvalo@....qualcomm.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Len Brown <len.brown@...el.com>,
        Manish Chopra <manish.chopra@...ium.com>,
        Mark Gross <mark.gross@...el.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michael Reed <mdr@....com>, netdev@...r.kernel.org,
        Oleg Nesterov <oleg@...hat.com>,
        Paul Mackerras <paulus@...ba.org>, Pavel Machek <pavel@....cz>,
        Petr Mladek <pmladek@...e.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Sebastian Reichel <sre@...nel.org>,
        Stefan Richter <stefanr@...6.in-berlin.de>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Tejun Heo <tj@...nel.org>,
        Ursula Braun <ubraun@...ux.vnet.ibm.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        linux1394-devel@...ts.sourceforge.net, linux-pm@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 09/13] timer: Remove users of expire and data arguments to DEFINE_TIMER

The expire and data arguments of DEFINE_TIMER are only used in two places
and are ignored by the code (malta-display.c only uses mod_timer(),
never add_timer(), so the preset expires value is ignored). Set both
sets of arguments to zero.

Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: Wim Van Sebroeck <wim@...ana.be>
Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: linux-mips@...ux-mips.org
Cc: linux-watchdog@...r.kernel.org
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 arch/mips/mti-malta/malta-display.c | 6 +++---
 drivers/watchdog/alim7101_wdt.c     | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/mips/mti-malta/malta-display.c b/arch/mips/mti-malta/malta-display.c
index d4f807191ecd..ac813158b9b8 100644
--- a/arch/mips/mti-malta/malta-display.c
+++ b/arch/mips/mti-malta/malta-display.c
@@ -36,10 +36,10 @@ void mips_display_message(const char *str)
 	}
 }
 
-static void scroll_display_message(unsigned long data);
-static DEFINE_TIMER(mips_scroll_timer, scroll_display_message, HZ, 0);
+static void scroll_display_message(unsigned long unused);
+static DEFINE_TIMER(mips_scroll_timer, scroll_display_message, 0, 0);
 
-static void scroll_display_message(unsigned long data)
+static void scroll_display_message(unsigned long unused)
 {
 	mips_display_message(&display_string[display_count++]);
 	if (display_count == max_display_count)
diff --git a/drivers/watchdog/alim7101_wdt.c b/drivers/watchdog/alim7101_wdt.c
index 665e0e7dfe1e..3c1f6ac68ea9 100644
--- a/drivers/watchdog/alim7101_wdt.c
+++ b/drivers/watchdog/alim7101_wdt.c
@@ -71,7 +71,7 @@ MODULE_PARM_DESC(use_gpio,
 		"Use the gpio watchdog (required by old cobalt boards).");
 
 static void wdt_timer_ping(unsigned long);
-static DEFINE_TIMER(timer, wdt_timer_ping, 0, 1);
+static DEFINE_TIMER(timer, wdt_timer_ping, 0, 0);
 static unsigned long next_heartbeat;
 static unsigned long wdt_is_open;
 static char wdt_expect_close;
@@ -87,7 +87,7 @@ MODULE_PARM_DESC(nowayout,
  *	Whack the dog
  */
 
-static void wdt_timer_ping(unsigned long data)
+static void wdt_timer_ping(unsigned long unused)
 {
 	/* If we got a heartbeat pulse within the WDT_US_INTERVAL
 	 * we agree to ping the WDT
-- 
2.7.4