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: <20231116224121.302150-2-afd@ti.com>
Date:   Thu, 16 Nov 2023 16:41:21 -0600
From:   Andrew Davis <afd@...com>
To:     Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>
CC:     <linux-leds@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Andrew Davis <afd@...com>
Subject: [PATCH 2/2] leds: tca6507: Use devm_led_classdev_register() to simplify remove path

Use devm version of LED classdev register add function to handle removal.

Signed-off-by: Andrew Davis <afd@...com>
---
 drivers/leds/leds-tca6507.c | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c
index 9a6af6d8b5b5d..4f22f42249467 100644
--- a/drivers/leds/leds-tca6507.c
+++ b/drivers/leds/leds-tca6507.c
@@ -753,37 +753,25 @@ static int tca6507_probe(struct i2c_client *client)
 			l->led_cdev.brightness_set = tca6507_brightness_set;
 			l->led_cdev.blink_set = tca6507_blink_set;
 			l->bank = -1;
-			err = led_classdev_register(dev, &l->led_cdev);
+			err = devm_led_classdev_register(dev, &l->led_cdev);
 			if (err < 0)
-				goto exit;
+				return err;
 		}
 	}
 	err = tca6507_probe_gpios(dev, tca, pdata);
 	if (err)
-		goto exit;
+		return err;
 	/* set all registers to known state - zero */
 	tca->reg_set = 0x7f;
 	schedule_work(&tca->work);
 
 	return 0;
-exit:
-	while (i--) {
-		if (tca->leds[i].led_cdev.name)
-			led_classdev_unregister(&tca->leds[i].led_cdev);
-	}
-	return err;
 }
 
 static void tca6507_remove(struct i2c_client *client)
 {
-	int i;
 	struct tca6507_chip *tca = i2c_get_clientdata(client);
-	struct tca6507_led *tca_leds = tca->leds;
 
-	for (i = 0; i < NUM_LEDS; i++) {
-		if (tca_leds[i].led_cdev.name)
-			led_classdev_unregister(&tca_leds[i].led_cdev);
-	}
 	cancel_work_sync(&tca->work);
 }
 
-- 
2.39.2

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ