linux-kernel - [PATCH -next] ARM: davinci: da850-evm: add missing platform_device_unregister in da850_lcd_hw

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Message-ID: <20220511090456.3428850-1-zhengbin13@huawei.com>
Date:   Wed, 11 May 2022 17:04:56 +0800
From:   Zheng Bin <zhengbin13@...wei.com>
To:     <nsekhar@...com>, <brgl@...ev.pl>, <linux@...linux.org.uk>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <zhengbin13@...wei.com>, <gaochao49@...wei.com>
Subject: [PATCH -next] ARM: davinci: da850-evm: add missing platform_device_unregister in da850_lcd_hw_init

da850_lcd_hw_init misses a call platform_device_unregister in error path,
this patch fixes that.

Signed-off-by: Zheng Bin <zhengbin13@...wei.com>
---
 arch/arm/mach-davinci/board-da850-evm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index efc26b472ef8..7b2a1a37e5c0 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -873,8 +873,10 @@ static int da850_lcd_hw_init(void)
 		return PTR_ERR(backlight);

 	status = platform_device_register(&da850_lcd_supply_device);
-	if (status)
+	if (status) {
+		platform_device_unregister(backlight);
 		return status;
+	}

 	return 0;
 }
--
2.31.1