On Fri, Jan 27, 2017 at 04:46:13PM +0530, Shailendra Verma wrote:
> of_match_device could return NULL, and so can cause a NULL
> pointer dereference later.
> 
> Signed-off-by: Shailendra Verma <shailendr...@samsung.com>
> ---
>  drivers/tty/serial/max310x.c |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
> index 8a3e926..a94d147 100644
> --- a/drivers/tty/serial/max310x.c
> +++ b/drivers/tty/serial/max310x.c
> @@ -1323,6 +1323,10 @@ static int max310x_spi_probe(struct spi_device *spi)
>       if (spi->dev.of_node) {
>               const struct of_device_id *of_id =
>                       of_match_device(max310x_dt_ids, &spi->dev);
> +             if (!of_id) {
> +                     dev_err(&spi->dev, "Error: No device match found\n");
> +                     return -ENODEV;
> +             }

Patch now dropped as this isn't possible.

thanks,

greg k-h

Reply via email to