linux-kernel - [PATCH] rtc: gamecube: Add missing iounmap in gamecube_rtc_read_offset_from

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Message-ID: <20220511071354.46202-1-yuancan@huawei.com>
Date:   Wed, 11 May 2022 07:13:54 +0000
From:   Yuan Can <yuancan@...wei.com>
To:     <linux-rtc@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>, <a.zummo@...ertech.it>,
        <alexandre.belloni@...tlin.com>, <yuancan@...wei.com>,
        <linkmauve@...kmauve.fr>
Subject: [PATCH] rtc: gamecube: Add missing iounmap in gamecube_rtc_read_offset_from_sram

The hw_srnprot needs to be unmapped when gamecube_rtc_read_offset_from_sram returns.

Fixs: 86559400b3ef9d (rtc: gamecube: Add a RTC driver for the GameCube, Wii and Wii U)
Signed-off-by: Yuan Can <yuancan@...wei.com>
---
 drivers/rtc/rtc-gamecube.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/rtc/rtc-gamecube.c b/drivers/rtc/rtc-gamecube.c
index 18ca3b38b2d0..c2717bb52b2b 100644
--- a/drivers/rtc/rtc-gamecube.c
+++ b/drivers/rtc/rtc-gamecube.c
@@ -267,6 +267,7 @@ static int gamecube_rtc_read_offset_from_sram(struct priv *d)
 	ret = regmap_read(d->regmap, RTC_SRAM_BIAS, &d->rtc_bias);
 	if (ret) {
 		pr_err("failed to get the RTC bias\n");
+		iounmap(hw_srnprot);
 		return -1;
 	}
 
-- 
2.17.1