Re: [PATCH] mfd: sec-core: Fix possible NULL pointer dereference when i2c_new_dummy error

[Lee Jones]

> During probe the sec-core driver allocates dummy I2C device for RTC with
> i2c_new_dummy() but return value is not checked. In case of error
> (i2c_new_device(): memory allocation failure or I2C address cannot be
> used) this function returns NULL which is later used by
> devm_regmap_init_i2c() or i2c_unregister_device().
> 
> If i2c_new_dummy() fails for RTC device, fail also the probe for main
> MFD driver.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
>  drivers/mfd/sec-core.c |    4 ++++
>  1 file changed, 4 insertions(+)

Applied, thanks.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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