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rtc: fix potential race condition

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RTC drivers must not return an error after device registration.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Reported-by: Ales Novak <alnovak@suse.cz>
Cc: Alexander Shiyan <shc_work@mail.ru>
Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alessandro Zummo 2014-04-03 14:49:36 -07:00 • committed by Linus Torvalds
parent a68b310809
commit 4071ea25cc
9 changed files with 70 additions and 65 deletions
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10
drivers/rtc/rtc-ds1305.c
View file

@ -756,19 +756,17 @@ static int ds1305_probe(struct spi_device *spi)
status = devm_request_irq(&spi->dev, spi->irq, ds1305_irq,
0, dev_name(&ds1305->rtc->dev), ds1305);
if (status < 0) {
dev_dbg(&spi->dev, "request_irq %d --> %d\n",
dev_err(&spi->dev, "request_irq %d --> %d\n",
spi->irq, status);
return status;
} else {
device_set_wakeup_capable(&spi->dev, 1);
}
device_set_wakeup_capable(&spi->dev, 1);
}
/* export NVRAM */
status = sysfs_create_bin_file(&spi->dev.kobj, &nvram);
if (status < 0) {
dev_dbg(&spi->dev, "register nvram --> %d\n", status);
return status;
dev_err(&spi->dev, "register nvram --> %d\n", status);
}
return 0;