Re: [tty:tty-testing 27/31] drivers/tty/serial/milbeaut_usio.c:503:52: sparse: Using plain integer as NULL pointer

[Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>]

On Wed, Apr 17, 2019 at 12:00:33AM +0800, kbuild test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
> head:   c7a6b9e4df4c5d9e95e38766923f98117b045c39
> commit: ba44dc04300441b47618f9933bf36e75a280e5fe [27/31] serial: Add Milbeaut serial control
> reproduce:
>         # apt-get install sparse
>         git checkout ba44dc04300441b47618f9933bf36e75a280e5fe
>         make ARCH=x86_64 allmodconfig
>         make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
> 
> 
> sparse warnings: (new ones prefixed by >>)
> 
> >> drivers/tty/serial/milbeaut_usio.c:503:52: sparse: Using plain integer as NULL pointer
> 
> vim +503 drivers/tty/serial/milbeaut_usio.c
> 
>    500	
>    501	static int mlb_usio_probe(struct platform_device *pdev)
>    502	{
>  > 503		struct clk *clk = devm_clk_get(&pdev->dev, 0);

Sugaya, can you send a patch fixing this up please?

thanks,

greg k-h