linux-kernel - [PATCH v2 3/7] pps: clients: gpio: Remove redundant condition in ->remove()

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210318130321.24227-3-andriy.shevchenko@linux.intel.com>
Date:   Thu, 18 Mar 2021 15:03:17 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Rodolfo Giometti <giometti@...eenne.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Cc:     Ryan Govostes <rgovostes@...i.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH v2 3/7] pps: clients: gpio: Remove redundant condition in ->remove()

The timer along with GPIO API are NULL-aware, there is no need to test
against existing GPIO echo line.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Acked-by: Rodolfo Giometti <giometti@...eenne.com>
---
 drivers/pps/clients/pps-gpio.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c
index 78c9680e8063..dc9ed6fc3dae 100644
--- a/drivers/pps/clients/pps-gpio.c
+++ b/drivers/pps/clients/pps-gpio.c
@@ -240,11 +240,9 @@ static int pps_gpio_remove(struct platform_device *pdev)
 	struct pps_gpio_device_data *data = platform_get_drvdata(pdev);
 
 	pps_unregister_source(data->pps);
-	if (data->echo_pin) {
-		del_timer_sync(&data->echo_timer);
-		/* reset echo pin in any case */
-		gpiod_set_value(data->echo_pin, 0);
-	}
+	del_timer_sync(&data->echo_timer);
+	/* reset echo pin in any case */
+	gpiod_set_value(data->echo_pin, 0);
 	dev_info(&pdev->dev, "removed IRQ %d as PPS source\n", data->irq);
 	return 0;
 }
-- 
2.30.2