+ drivers-rtc-rtc-pcf50633c-fix-use-after-free-in-pcf50633_rtc_probe.patch added to -mm tree

[akpm@linux-foundation.org]

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