* + drivers-rtc-rtc-pcf50633c-fix-use-after-free-in-pcf50633_rtc_probe.patch added to -mm tree
@ 2009-11-20 22:48 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2009-11-20 22:48 UTC (permalink / raw)
To: mm-commits; +Cc: error27, a.zummo, david-b, p_gortmaker
The patch titled
drivers/rtc/rtc-pcf50633.c: fix use after free in pcf50633_rtc_probe()
has been added to the -mm tree. Its filename is
drivers-rtc-rtc-pcf50633c-fix-use-after-free-in-pcf50633_rtc_probe.patch
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------------------------------------------------------
Subject: drivers/rtc/rtc-pcf50633.c: fix use after free in pcf50633_rtc_probe()
From: Dan Carpenter <error27@gmail.com>
"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>
---
drivers/rtc/rtc-pcf50633.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/rtc/rtc-pcf50633.c~drivers-rtc-rtc-pcf50633c-fix-use-after-free-in-pcf50633_rtc_probe drivers/rtc/rtc-pcf50633.c
--- a/drivers/rtc/rtc-pcf50633.c~drivers-rtc-rtc-pcf50633c-fix-use-after-free-in-pcf50633_rtc_probe
+++ a/drivers/rtc/rtc-pcf50633.c
@@ -289,8 +289,9 @@ static int __devinit pcf50633_rtc_probe(
&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,
_
Patches currently in -mm which might be from error27@gmail.com are
drivers-rtc-rtc-pcf50633c-fix-use-after-free-in-pcf50633_rtc_probe.patch
linux-next.patch
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2009-11-20 22:48 + drivers-rtc-rtc-pcf50633c-fix-use-after-free-in-pcf50633_rtc_probe.patch added to -mm tree akpm
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