From 0759011157b0d666b02b03b986d3de005d84027e Mon Sep 17 00:00:00 2001
From: Lin Yujun <linyujun809@huawei.com>
Date: Thu, 15 Sep 2022 14:52:53 +0800
Subject: [PATCH] rtc: stmp3xxx: Add failure handling for stmp3xxx_wdt_register()
Git-commit: 0759011157b0d666b02b03b986d3de005d84027e
Patch-mainline: v6.1-rc1
References: git-fixes
Use platform_device_put() to free platform device before print
error message when platform_device_add() fails to run.
Fixes: 1a71fb84fda6 ("rtc: stmp3xxx: add wdt-accessor function")
Signed-off-by: Lin Yujun <linyujun809@huawei.com>
Reviewed-by: Wolfram Sang <wsa@kernel.org>
Link: https://lore.kernel.org/r/20220915065253.43668-1-linyujun809@huawei.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/rtc/rtc-stmp3xxx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c
index 40c0f7ed36e0..aae40d20d086 100644
--- a/drivers/rtc/rtc-stmp3xxx.c
+++ b/drivers/rtc/rtc-stmp3xxx.c
@@ -107,6 +107,8 @@ static void stmp3xxx_wdt_register(struct platform_device *rtc_pdev)
wdt_pdev->dev.parent = &rtc_pdev->dev;
wdt_pdev->dev.platform_data = &wdt_pdata;
rc = platform_device_add(wdt_pdev);
+ if (rc)
+ platform_device_put(wdt_pdev);
}
if (rc)
--
2.35.3