On 02.03.2021 22:54:34, Dario Binacchi wrote: > diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c > index 77b9aee56154..0052ba5197e0 100644 > --- a/drivers/net/can/c_can/c_can.c > +++ b/drivers/net/can/c_can/c_can.c [...] > -struct net_device *alloc_c_can_dev(void) > +struct net_device *alloc_c_can_dev(int msg_obj_num) > { > struct net_device *dev; > struct c_can_priv *priv; > + int msg_obj_tx_num = msg_obj_num / 2; > > - dev = alloc_candev(sizeof(struct c_can_priv), C_CAN_MSG_OBJ_TX_NUM); > + dev = alloc_candev(sizeof(*priv) + sizeof(u32) * msg_obj_tx_num, > + msg_obj_tx_num); I've converted this to make use of the struct_size() macro: + dev = alloc_candev(struct_size(priv, dlc, msg_obj_tx_num), + msg_obj_tx_num); regards, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |