diff options
| author | Devendra Naga <devendra.aaru@gmail.com> | 2012-07-11 23:01:53 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-12 01:04:41 +0200 |
| commit | 2a643893e50fde71d7ba84b5592ec61b467b9ab6 (patch) | |
| tree | c54f5b1ea25bf34d9e8228dac76f8f72344e02ee /drivers/rtc | |
| parent | memory hotplug: fix invalid memory access caused by stale kswapd pointer (diff) | |
| download | linux-2a643893e50fde71d7ba84b5592ec61b467b9ab6.tar.xz linux-2a643893e50fde71d7ba84b5592ec61b467b9ab6.zip | |
drivers/rtc/rtc-spear.c: fix use-after-free in spear_rtc_remove()
`config' is freed and is then used in the rtc_device_unregister() call,
causing a kernel panic.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Reviewed-by: Viresh Kumar <viresh.linux@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-spear.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index 1f76320e545b..e2785479113c 100644 --- a/drivers/rtc/rtc-spear.c +++ b/drivers/rtc/rtc-spear.c @@ -458,12 +458,12 @@ static int __devexit spear_rtc_remove(struct platform_device *pdev) clk_disable(config->clk); clk_put(config->clk); iounmap(config->ioaddr); - kfree(config); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res) release_mem_region(res->start, resource_size(res)); platform_set_drvdata(pdev, NULL); rtc_device_unregister(config->rtc); + kfree(config); return 0; } |