Re: [PATCH][next] iio: st_sensors: handle memory allocation failure to fix null pointer dereference

[Jonathan Cameron]

On Thu, 23 Jan 2020 16:28:28 +0100
Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:

> On Tue, Jan 21, 2020 at 5:18 PM Colin King <colin.king@xxxxxxxxxxxxx> wrote:
> 
> > From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> >
> > A null pointer deference on pdata can occur if the allocation of
> > pdata fails.  Fix this by adding a null pointer check and handle
> > the -ENOMEM failure in the caller.
> >
> > Addresses-Coverity: ("Dereference null return value")  
> 
> That's a weirdo tag, but I suppose you have aligned with the maintainers
> about this.
> 
> > Fixes: 3ce85cc4fbb7 ("iio: st_sensors: get platform data from device tree")
> > Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>  
> 
> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.

Thanks,

Jonathan

> 
> Yours,
> Linus Walleij