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Wed, 25 Oct 2023 16:07:45 +0300 (MSK) Received: from localhost.localdomain (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.37; Wed, 25 Oct 2023 16:07:45 +0300 From: George Stark To: , , , , , , Subject: [PATCH 6/8] leds: aw2013: explicitly unregister LEDs at module's shutdown Date: Wed, 25 Oct 2023 16:07:35 +0300 Message-ID: <20231025130737.2015468-7-gnstark@salutedevices.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231025130737.2015468-1-gnstark@salutedevices.com> References: <20231025130737.2015468-1-gnstark@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 180883 [Oct 25 2023] X-KSMG-AntiSpam-Version: 6.0.0.2 X-KSMG-AntiSpam-Envelope-From: gnstark@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 543 543 1e3516af5cdd92079dfeb0e292c8747a62cb1ee4, {Tracking_from_domain_doesnt_match_to}, 127.0.0.199:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;100.64.160.123:7.1.2;p-i-exch-sc-m01.sberdevices.ru:7.1.1,5.0.1;salutedevices.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/10/25 11:29:00 #22291710 X-KSMG-AntiVirus-Status: Clean, skipped X-Mailman-Approved-At: Thu, 26 Oct 2023 09:18:28 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel@sberdevices.ru, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" LEDs are registered using devm_led_classdev_register() and automatically unregistered after module's remove(). led_classdev_unregister() calls led_set_brightness() to turn off the LEDs and module's appropriate callback uses resources those were destroyed already in module's remove(). So explicitly unregister LEDs at module shutdown. Signed-off-by: George Stark --- drivers/leds/leds-aw2013.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/leds/leds-aw2013.c b/drivers/leds/leds-aw2013.c index 59765640b70f..bd233500aa2d 100644 --- a/drivers/leds/leds-aw2013.c +++ b/drivers/leds/leds-aw2013.c @@ -404,6 +404,10 @@ static int aw2013_probe(struct i2c_client *client) static void aw2013_remove(struct i2c_client *client) { struct aw2013 *chip = i2c_get_clientdata(client); + int i; + + for (i = 0; i < chip->num_leds; i++) + devm_led_classdev_unregister(&client->dev, &chip->leds[i].cdev); aw2013_chip_disable(chip);