On Sun, Mar 26, 2017 at 04:17:12PM +0200, Alexander Kurz wrote:
> console_get_by_name iterates through the console_list using strcmp to mach
> a given console by name. console_list may contain entries with devname = NULL,
> inserted there e.g. by KEYBOARD_GPIO. In worst case loady -t usbserial
> will crash barebox when strcmp hits 0 NULL devname:
> > unable to handle NULL pointer dereference at address 0x00000000
>
> Let console_get_by_name just ignore the anonymous consoles.
>
> Signed-off-by: Alexander Kurz <akurz@xxxxxxxx>
> ---
Applied to master, thanks
Sascha
> common/console_common.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/common/console_common.c b/common/console_common.c
> index 2e5869f..d051458 100644
> --- a/common/console_common.c
> +++ b/common/console_common.c
> @@ -246,7 +246,7 @@ struct console_device *console_get_by_name(const char *name)
> struct console_device *cdev;
>
> for_each_console(cdev) {
> - if (!strcmp(cdev->devname, name))
> + if (cdev->devname && !strcmp(cdev->devname, name))
> return cdev;
> }
>
> --
> 2.1.4
>
>
> _______________________________________________
> barebox mailing list
> barebox@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/barebox
>
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox
