* [patch] rtc: use after free in pcf50633_rtc_probe()
@ 2009-11-18 8:30 Dan Carpenter
2009-11-18 10:06 ` [rtc-linux] " Alessandro Zummo
0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2009-11-18 8:30 UTC (permalink / raw)
To: balajirrao; +Cc: rtc-linux, linux-kernel
"rtc" is freed and then dereferenced on the next line. This patch fixes
that.
This is a resend. I have been offline for the last few months so I may
have missed a reply or something. Not sure what the status was.
regards,
dan carpenter
Signed-off-by: Dan Carpenter <error27@gmail.com>
--- orig/drivers/rtc/rtc-pcf50633.c 2009-07-17 16:21:52.000000000 +0300
+++ new/drivers/rtc/rtc-pcf50633.c 2009-07-17 16:22:56.000000000 +0300
@@ -291,8 +291,9 @@
&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,
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2009-11-18 8:30 [patch] rtc: use after free in pcf50633_rtc_probe() Dan Carpenter
2009-11-18 10:06 ` [rtc-linux] " Alessandro Zummo
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