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authorDan Carpenter <error27@gmail.com>2009-12-01 13:17:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-01 16:32:19 -0800
commitfa00e106eb6f082654d822a0946c0c86297ede2c (patch)
treef176cc90a568182419de69c555c25f9c2459a188
parent4c4cb1b1605e50983afd7924980c9434b214599f (diff)
drivers/rtc/rtc-pcf50633.c: fix use after free in pcf50633_rtc_probe()
"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>
-rw-r--r--drivers/rtc/rtc-pcf50633.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c
index 33a10c47260..4c5d5d0c4cf 100644
--- a/drivers/rtc/rtc-pcf50633.c
+++ b/drivers/rtc/rtc-pcf50633.c
@@ -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,