From: Oliver Hartkopp <socketcan@xxxxxxxxxxxx> The macro was always used together with can_dlc2len() which sanitizes the given dlc value on its own. Signed-off-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/20201110101852.1973-4-socketcan@xxxxxxxxxxxx Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> --- drivers/net/can/flexcan.c | 2 +- drivers/net/can/peak_canfd/peak_canfd.c | 2 +- drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c | 2 +- drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c | 2 +- drivers/net/can/usb/peak_usb/pcan_usb_fd.c | 2 +- include/linux/can/dev.h | 1 - include/linux/can/dev/peak_canfd.h | 2 +- 7 files changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 50ccd18170c8..985569f946e5 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -1000,7 +1000,7 @@ static struct sk_buff *flexcan_mailbox_read(struct can_rx_offload *offload, cfd->can_id = (reg_id >> 18) & CAN_SFF_MASK; if (reg_ctrl & FLEXCAN_MB_CNT_EDL) { - cfd->len = can_dlc2len(get_canfd_dlc((reg_ctrl >> 16) & 0xf)); + cfd->len = can_dlc2len((reg_ctrl >> 16) & 0xf); if (reg_ctrl & FLEXCAN_MB_CNT_BRS) cfd->flags |= CANFD_BRS; diff --git a/drivers/net/can/peak_canfd/peak_canfd.c b/drivers/net/can/peak_canfd/peak_canfd.c index 9ea2adea3f0f..c6077e07214e 100644 --- a/drivers/net/can/peak_canfd/peak_canfd.c +++ b/drivers/net/can/peak_canfd/peak_canfd.c @@ -257,7 +257,7 @@ static int pucan_handle_can_rx(struct peak_canfd_priv *priv, u8 cf_len; if (rx_msg_flags & PUCAN_MSG_EXT_DATA_LEN) - cf_len = can_dlc2len(get_canfd_dlc(pucan_msg_get_dlc(msg))); + cf_len = can_dlc2len(pucan_msg_get_dlc(msg)); else cf_len = can_cc_dlc2len(pucan_msg_get_dlc(msg)); diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c index c0a08400f444..3bac7274ee5b 100644 --- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c +++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c @@ -1405,7 +1405,7 @@ mcp251xfd_hw_rx_obj_to_skb(const struct mcp251xfd_priv *priv, cfd->flags |= CANFD_BRS; dlc = FIELD_GET(MCP251XFD_OBJ_FLAGS_DLC, hw_rx_obj->flags); - cfd->len = can_dlc2len(get_canfd_dlc(dlc)); + cfd->len = can_dlc2len(dlc); } else { if (hw_rx_obj->flags & MCP251XFD_OBJ_FLAGS_RTR) cfd->can_id |= CAN_RTR_FLAG; diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c index 493a614bf333..843e2e1392e8 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c @@ -1251,7 +1251,7 @@ static void kvaser_usb_hydra_rx_msg_ext(const struct kvaser_usb *dev, kvaser_usb_can_rx_over_error(priv->netdev); if (flags & KVASER_USB_HYDRA_CF_FLAG_FDF) { - cf->len = can_dlc2len(get_canfd_dlc(dlc)); + cf->len = can_dlc2len(dlc); if (flags & KVASER_USB_HYDRA_CF_FLAG_BRS) cf->flags |= CANFD_BRS; if (flags & KVASER_USB_HYDRA_CF_FLAG_ESI) diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c index 1f08dd22b3d5..1233ef20646a 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c @@ -492,7 +492,7 @@ static int pcan_usb_fd_decode_canmsg(struct pcan_usb_fd_if *usb_if, if (rx_msg_flags & PUCAN_MSG_ERROR_STATE_IND) cfd->flags |= CANFD_ESI; - cfd->len = can_dlc2len(get_canfd_dlc(pucan_msg_get_dlc(rm))); + cfd->len = can_dlc2len(pucan_msg_get_dlc(rm)); } else { /* CAN 2.0 frame case */ skb = alloc_can_skb(netdev, (struct can_frame **)&cfd); diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 9bc84c6978ec..802606e36b58 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -105,7 +105,6 @@ static inline unsigned int can_bit_time(const struct can_bittiming *bt) * ISO 11898-1 Chapter 8.4.2.3 (DLC field) */ #define can_cc_dlc2len(dlc) (min_t(u8, (dlc), CAN_MAX_DLEN)) -#define get_canfd_dlc(dlc) (min_t(u8, (dlc), CANFD_MAX_DLC)) /* Check for outgoing skbs that have not been created by the CAN subsystem */ static inline bool can_skb_headroom_valid(struct net_device *dev, diff --git a/include/linux/can/dev/peak_canfd.h b/include/linux/can/dev/peak_canfd.h index 5fd627e9da19..f38772fd0c07 100644 --- a/include/linux/can/dev/peak_canfd.h +++ b/include/linux/can/dev/peak_canfd.h @@ -282,7 +282,7 @@ static inline int pucan_msg_get_channel(const struct pucan_rx_msg *msg) } /* return the dlc value from any received message channel_dlc field */ -static inline int pucan_msg_get_dlc(const struct pucan_rx_msg *msg) +static inline u8 pucan_msg_get_dlc(const struct pucan_rx_msg *msg) { return msg->channel_dlc >> 4; } -- 2.29.2
