[PATCH 1/1] rtc: gemini: add return value validation
Alexandre Belloni
alexandre.belloni at free-electrons.com
Thu May 4 15:58:29 PDT 2017
On 23/04/2017 at 20:48:07 +0800, Pan Bian wrote:
> From: Pan Bian <bianpan2016 at 163.com>
>
> Function devm_ioremap() will return a NULL pointer if it fails to remap
> IO address, and its return value should be validated before it is used.
> However, in function gemini_rtc_probe(), its return value is not
> checked. This may result in bad memory access bugs on future access,
> e.g. calling the function gemini_rtc_read_time().
>
> Signed-off-by: Pan Bian <bianpan2016 at 163.com>
> ---
> drivers/rtc/rtc-gemini.c | 2 ++
> 1 file changed, 2 insertions(+)
>
Applied, thanks.
--
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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