Em Fri, 18 Jun 2021 14:29:15 +0200 Ricardo Ribalda <ribalda@xxxxxxxxxxxx> escreveu: > diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c > index 9cdd30eff495..28ccaa8b9e42 100644 > --- a/drivers/media/usb/uvc/uvc_v4l2.c > +++ b/drivers/media/usb/uvc/uvc_v4l2.c > @@ -40,7 +40,13 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain, > return -ENOMEM; > > map->id = xmap->id; > - memcpy(map->name, xmap->name, sizeof(map->name)); > + /* Non standard control id. */ > + if (v4l2_ctrl_get_name(map->id) == NULL) { > + map->name = kmemdup(xmap->name, sizeof(xmap->name), > + GFP_KERNEL); Where are you de-allocating it at driver removal/unbind? Thanks, Mauro