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drivers/rtc/rtc-pcf50633.c: fix use after free in pcf50633_rtc_probe()

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"rtc" is freed and then dereferenced on the next line.  This patch fixes
that.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dan Carpenter 2009-12-01 13:17:41 -08:00 committed by Linus Torvalds
parent 4c4cb1b160
commit fa00e106eb
1 changed files with 2 additions and 1 deletions
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3
drivers/rtc/rtc-pcf50633.c
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@ -292,8 +292,9 @@ static int __devinit pcf50633_rtc_probe(struct platform_device *pdev)
&pcf50633_rtc_ops, THIS_MODULE); &pcf50633_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc->rtc_dev)) { if (IS_ERR(rtc->rtc_dev)) {
int ret = PTR_ERR(rtc->rtc_dev);
kfree(rtc); kfree(rtc);
return PTR_ERR(rtc->rtc_dev); return ret;
} }
pcf50633_register_irq(rtc->pcf, PCF50633_IRQ_ALARM, pcf50633_register_irq(rtc->pcf, PCF50633_IRQ_ALARM,