linux-kernel - [PATCH] RAS/CEC: Convert timers to use timer

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Message-ID: <20171024102636.GA69779@beast>
Date:   Tue, 24 Oct 2017 03:26:36 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Borislav Petkov <bp@...e.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Nicolas Iooss <nicolas.iooss_linux@....org>,
        Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: [PATCH] RAS/CEC: Convert timers to use timer_setup()

In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Borislav Petkov <bp@...e.de>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: Nicolas Iooss <nicolas.iooss_linux@....org>
Cc: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/ras/cec.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index e2c1988cd7c0..fb2789575603 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -168,11 +168,9 @@ static void cec_mod_timer(struct timer_list *t, unsigned long interval)
 	mod_timer(t, round_jiffies(iv));
 }
 
-static void cec_timer_fn(unsigned long data)
+static void cec_timer_fn(struct timer_list *unused)
 {
-	struct ce_array *ca = (struct ce_array *)data;
-
-	do_spring_cleaning(ca);
+	do_spring_cleaning(&ce_arr);
 
 	cec_mod_timer(&cec_timer, timer_interval);
 }
@@ -509,7 +507,7 @@ void __init cec_init(void)
 	if (create_debugfs_nodes())
 		return;
 
-	setup_timer(&cec_timer, cec_timer_fn, (unsigned long)&ce_arr);
+	timer_setup(&cec_timer, cec_timer_fn, 0);
 	cec_mod_timer(&cec_timer, CEC_TIMER_DEFAULT_INTERVAL);
 
 	pr_info("Correctable Errors collector initialized.\n");
-- 
2.7.4


-- 
Kees Cook
Pixel Security