From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de> To: Linus Walleij <linus.walleij@linaro.org>, Alessandro Zummo <a.zummo@towertech.it>, Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 03/41] rtc: ab8500: Convert to platform remove callback returning void Date: Sat, 4 Mar 2023 14:29:50 +0100 [thread overview] Message-ID: <20230304133028.2135435-4-u.kleine-koenig@pengutronix.de> (raw) In-Reply-To: <20230304133028.2135435-1-u.kleine-koenig@pengutronix.de> The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is (mostly) ignored and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/rtc/rtc-ab8500.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index ea33e149d545..75bb2ac9005c 100644 --- a/drivers/rtc/rtc-ab8500.c +++ b/drivers/rtc/rtc-ab8500.c @@ -392,12 +392,10 @@ static int ab8500_rtc_probe(struct platform_device *pdev) return devm_rtc_register_device(rtc); } -static int ab8500_rtc_remove(struct platform_device *pdev) +static void ab8500_rtc_remove(struct platform_device *pdev) { dev_pm_clear_wake_irq(&pdev->dev); device_init_wakeup(&pdev->dev, false); - - return 0; } static struct platform_driver ab8500_rtc_driver = { @@ -405,7 +403,7 @@ static struct platform_driver ab8500_rtc_driver = { .name = "ab8500-rtc", }, .probe = ab8500_rtc_probe, - .remove = ab8500_rtc_remove, + .remove_new = ab8500_rtc_remove, .id_table = ab85xx_rtc_ids, }; -- 2.39.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de> To: Linus Walleij <linus.walleij@linaro.org>, Alessandro Zummo <a.zummo@towertech.it>, Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 03/41] rtc: ab8500: Convert to platform remove callback returning void Date: Sat, 4 Mar 2023 14:29:50 +0100 [thread overview] Message-ID: <20230304133028.2135435-4-u.kleine-koenig@pengutronix.de> (raw) In-Reply-To: <20230304133028.2135435-1-u.kleine-koenig@pengutronix.de> The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is (mostly) ignored and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/rtc/rtc-ab8500.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index ea33e149d545..75bb2ac9005c 100644 --- a/drivers/rtc/rtc-ab8500.c +++ b/drivers/rtc/rtc-ab8500.c @@ -392,12 +392,10 @@ static int ab8500_rtc_probe(struct platform_device *pdev) return devm_rtc_register_device(rtc); } -static int ab8500_rtc_remove(struct platform_device *pdev) +static void ab8500_rtc_remove(struct platform_device *pdev) { dev_pm_clear_wake_irq(&pdev->dev); device_init_wakeup(&pdev->dev, false); - - return 0; } static struct platform_driver ab8500_rtc_driver = { @@ -405,7 +403,7 @@ static struct platform_driver ab8500_rtc_driver = { .name = "ab8500-rtc", }, .probe = ab8500_rtc_probe, - .remove = ab8500_rtc_remove, + .remove_new = ab8500_rtc_remove, .id_table = ab85xx_rtc_ids, }; -- 2.39.1
next prev parent reply other threads:[~2023-03-04 13:32 UTC|newest] Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-03-04 13:29 [PATCH 00/41] rtc: Convert to platform remove callback returning void Uwe Kleine-König 2023-03-04 13:29 ` Uwe Kleine-König 2023-03-04 13:29 ` Uwe Kleine-König 2023-03-04 13:29 ` [PATCH 01/41] rtc: 88pm80x: " Uwe Kleine-König 2023-03-04 13:29 ` [PATCH 02/41] rtc: 88pm860x: " Uwe Kleine-König 2023-03-04 13:29 ` Uwe Kleine-König [this message] 2023-03-04 13:29 ` [PATCH 03/41] rtc: ab8500: " Uwe Kleine-König 2023-03-07 13:35 ` Linus Walleij 2023-03-07 13:35 ` Linus Walleij 2023-03-04 13:29 ` [PATCH 04/41] rtc: ac100: " Uwe Kleine-König 2023-03-04 13:29 ` [PATCH 05/41] rtc: asm9260: " Uwe Kleine-König 2023-03-04 13:29 ` [PATCH 06/41] rtc: at91sam9: " Uwe Kleine-König 2023-03-04 13:29 ` Uwe Kleine-König 2023-03-06 11:55 ` Claudiu.Beznea 2023-03-06 11:55 ` Claudiu.Beznea 2023-03-04 13:29 ` [PATCH 07/41] rtc: brcmstb-waketimer: " Uwe Kleine-König 2023-03-04 13:29 ` Uwe Kleine-König 2023-03-04 13:29 ` [PATCH 08/41] rtc: cadence: " Uwe Kleine-König 2023-03-04 13:29 ` [PATCH 09/41] rtc: cmos: " Uwe Kleine-König 2023-03-04 13:29 ` [PATCH 10/41] rtc: cros-ec: " Uwe Kleine-König 2023-03-07 5:30 ` Tzung-Bi Shih 2023-03-04 13:29 ` [PATCH 11/41] rtc: ds1685: " Uwe Kleine-König 2023-03-06 19:43 ` Joshua Kinard 2023-03-06 21:22 ` Uwe Kleine-König 2023-03-07 2:09 ` Joshua Kinard 2023-03-07 8:11 ` Uwe Kleine-König 2023-03-08 16:20 ` Joshua Kinard 2023-03-08 16:47 ` Uwe Kleine-König 2023-03-13 15:08 ` Joshua Kinard 2023-03-04 13:29 ` [PATCH 12/41] rtc: ftrtc010: " Uwe Kleine-König 2023-03-04 13:29 ` Uwe Kleine-König 2023-03-07 13:35 ` Linus Walleij 2023-03-07 13:35 ` Linus Walleij 2023-03-04 13:30 ` [PATCH 13/41] rtc: hid-sensor-time: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 14/41] rtc: lpc24xx: " Uwe Kleine-König 2023-03-04 13:30 ` Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 15/41] rtc: max77686: " Uwe Kleine-König 2023-03-05 9:50 ` Krzysztof Kozlowski 2023-03-04 13:30 ` [PATCH 16/41] rtc: mc13xxx: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 17/41] rtc: mpc5121: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 18/41] rtc: mpfs: " Uwe Kleine-König 2023-03-04 13:30 ` Uwe Kleine-König 2023-03-04 13:47 ` Conor Dooley 2023-03-04 13:47 ` Conor Dooley 2023-03-04 13:30 ` [PATCH 19/41] rtc: mt7622: " Uwe Kleine-König 2023-03-04 13:30 ` Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 20/41] rtc: mxc_v2: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 21/41] rtc: omap: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 22/41] rtc: palmas: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 23/41] rtc: pcf50633: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 24/41] rtc: pic32: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 25/41] rtc: pm8xxx: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 26/41] rtc: rc5t583: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 27/41] rtc: rtd119x: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 28/41] rtc: rzn1: " Uwe Kleine-König 2023-03-06 8:12 ` Miquel Raynal 2023-03-04 13:30 ` [PATCH 29/41] rtc: s3c: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 30/41] rtc: sa1100: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 31/41] rtc: spear: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 32/41] rtc: stm32: " Uwe Kleine-König 2023-03-04 13:30 ` Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 33/41] rtc: stmp3xxx: " Uwe Kleine-König 2023-03-04 13:30 ` Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 34/41] rtc: sunplus: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 35/41] rtc: tegra: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 36/41] rtc: tps6586x: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 37/41] rtc: twl: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 38/41] rtc: vt8500: " Uwe Kleine-König 2023-03-04 13:30 ` Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 39/41] rtc: wm8350: " Uwe Kleine-König 2023-03-06 9:37 ` Charles Keepax 2023-03-04 13:30 ` [PATCH 40/41] rtc: xgene: " Uwe Kleine-König 2023-03-04 13:30 ` [PATCH 41/41] rtc: zynqmp: " Uwe Kleine-König 2023-03-04 13:30 ` Uwe Kleine-König 2023-03-14 9:05 ` [PATCH 00/41] rtc: " Naresh Kamboju 2023-03-17 22:09 ` Alexandre Belloni 2023-03-17 22:09 ` Alexandre Belloni 2023-03-17 22:09 ` Alexandre Belloni 2023-05-08 3:45 ` patchwork-bot+chrome-platform 2023-05-08 3:45 ` patchwork-bot+chrome-platform 2023-05-08 3:56 ` patchwork-bot+chrome-platform 2023-05-08 3:56 ` patchwork-bot+chrome-platform
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