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drivers/rtc/rtc-stmp3xxx.c: check the return value from stmp_reset_block()

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stmp_reset_block() may fail, so let's check its return value and
propagate it in the case of error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Fabio Estevam 2013-07-08 16:00:45 -07:00 committed by Linus Torvalds
parent 2417898b34
commit 4e80b1880c
1 changed files with 6 additions and 1 deletions
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7
drivers/rtc/rtc-stmp3xxx.c
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@ -261,7 +261,12 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtc_data);
stmp_reset_block(rtc_data->io);
err = stmp_reset_block(rtc_data->io);
if (err) {
dev_err(&pdev->dev, "stmp_reset_block failed: %d\n", err);
return err;
}
writel(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN |
STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE,