linux-kernel - [PATCH v3 1/3] pwm: meson: Drop unneeded check in .get

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: <20240425171253.2752877-2-gnstark@salutedevices.com>
Date: Thu, 25 Apr 2024 20:12:51 +0300
From: George Stark <gnstark@...utedevices.com>
To: <u.kleine-koenig@...gutronix.de>, <neil.armstrong@...aro.org>,
	<khilman@...libre.com>, <jbrunet@...libre.com>,
	<martin.blumenstingl@...glemail.com>, <thierry.reding@...il.com>,
	<hkallweit1@...il.com>
CC: <linux-pwm@...r.kernel.org>, <linux-amlogic@...ts.infradead.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<kernel@...utedevices.com>, George Stark <gnstark@...utedevices.com>, Dmitry
 Rokosov <ddrokosov@...utedevices.com>
Subject: [PATCH v3 1/3] pwm: meson: Drop unneeded check in .get_state()

Drop checking state argument for NULL pointer in meson_pwm_get_state()
due to it is called only from pwm core with always valid arguments.

Signed-off-by: Dmitry Rokosov <ddrokosov@...utedevices.com>
Signed-off-by: George Stark <gnstark@...utedevices.com>
---
 drivers/pwm/pwm-meson.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c
index ea96c5973488..f4d70da621ec 100644
--- a/drivers/pwm/pwm-meson.c
+++ b/drivers/pwm/pwm-meson.c
@@ -311,9 +311,6 @@ static int meson_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
 	struct meson_pwm_channel *channel;
 	u32 value;
 
-	if (!state)
-		return 0;
-
 	channel = &meson->channels[pwm->hwpwm];
 	channel_data = &meson_pwm_per_channel_data[pwm->hwpwm];
 
-- 
2.25.1