Re: Potential NULL pointer deference in spi

[Eric Dumazet <eric.dumazet@xxxxxxxxx>]

On 10/9/19 10:37 PM, Yizhuo Zhai wrote:
> Hi All:
> 
> drivers/spi/spi.c:
> 
> The function to_spi_device() could return NULL, but some callers
> in this file does not check the return value while directly dereference
> it, which seems potentially unsafe.
> 
> Such callers include spidev_release(),  spi_dev_check(),
> driver_override_store(), etc.
> 
> 


Many of your reports are completely bogus.

I suggest you spend more time before sending such emails to very large audience
and risk being ignored at some point.

Thanks.