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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 <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Cc: David Brownell <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Dan Carpenter 2009-12-01 13:17:41 -08:00 • committed by Linus Torvalds
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);
if (IS_ERR(rtc->rtc_dev)) {
int ret = PTR_ERR(rtc->rtc_dev);
kfree(rtc);
return PTR_ERR(rtc->rtc_dev);
return ret;
}
pcf50633_register_irq(rtc->pcf, PCF50633_IRQ_ALARM,