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rtc: gamecube: Add missing iounmap in gamecube_rtc_read_offset_from_sram

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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@huawei.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220511071354.46202-1-yuancan@huawei.com
This commit is contained in:
Yuan Can 2022-05-11 07:13:54 +00:00 committed by Alexandre Belloni
parent a37bdde620
commit 6ddabcb106
1 changed files with 1 additions and 0 deletions
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drivers/rtc/rtc-gamecube.c
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@ -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;
}