On Wed, Aug 18, 2021 at 11:56:35AM +0200, Marc Kleine-Budde wrote: > On 18.08.2021 01:11:15, Kees Cook wrote: > > diff --git a/drivers/net/can/usb/etas_es58x/es581_4.h b/drivers/net/can/usb/etas_es58x/es581_4.h > > index 4bc60a6df697..8657145dc2a9 100644 > > --- a/drivers/net/can/usb/etas_es58x/es581_4.h > > +++ b/drivers/net/can/usb/etas_es58x/es581_4.h > > @@ -192,7 +192,7 @@ struct es581_4_urb_cmd { > > struct es581_4_rx_cmd_ret rx_cmd_ret; > > __le64 timestamp; > > u8 rx_cmd_ret_u8; > > - u8 raw_msg[0]; > > + flex_array(u8 raw_msg); > > } __packed; > > > > __le16 reserved_for_crc16_do_not_use; > > diff --git a/drivers/net/can/usb/etas_es58x/es58x_fd.h b/drivers/net/can/usb/etas_es58x/es58x_fd.h > > index ee18a87e40c0..3053e0958132 100644 > > --- a/drivers/net/can/usb/etas_es58x/es58x_fd.h > > +++ b/drivers/net/can/usb/etas_es58x/es58x_fd.h > > @@ -228,7 +228,7 @@ struct es58x_fd_urb_cmd { > > struct es58x_fd_tx_ack_msg tx_ack_msg; > > __le64 timestamp; > > __le32 rx_cmd_ret_le32; > > - u8 raw_msg[0]; > > + flex_array(u8 raw_msg[]); > > } __packed; > > This doesn't look consistent, what's preferred? > > u8 raw_msg[0]; -> flex_array(u8 raw_msg); > - or- > -> flex_array(u8 raw_msg[]); Eek, thanks for catching that. And this helps me realize that having "flex_array" and "[]" is redundant, and the above typo would have been caught. I will fix this for v2. Thanks! -Kees -- Kees Cook