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> --- 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 b30e3171cbd0..d5ea33fdb93d 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -996,11 +996,11 @@ static struct sk_buff *flexcan_mailbox_read(struct can_rx_offload *offload, cfd->can_id = ((reg_id >> 0) & CAN_EFF_MASK) | CAN_EFF_FLAG; else 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; } else { cfd->len = can_get_cc_len((reg_ctrl >> 16) & 0xf); diff --git a/drivers/net/can/peak_canfd/peak_canfd.c b/drivers/net/can/peak_canfd/peak_canfd.c index dc94ea6821c3..cc01db0c18b8 100644 --- a/drivers/net/can/peak_canfd/peak_canfd.c +++ b/drivers/net/can/peak_canfd/peak_canfd.c @@ -255,11 +255,11 @@ static int pucan_handle_can_rx(struct peak_canfd_priv *priv, struct sk_buff *skb; const u16 rx_msg_flags = le16_to_cpu(msg->flags); 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_get_cc_len(pucan_msg_get_dlc(msg)); /* if this frame is an echo, */ if (rx_msg_flags & PUCAN_MSG_LOOPED_BACK) { diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c index ae9e9bafba23..fdc245774c3e 100644 --- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c +++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c @@ -1403,11 +1403,11 @@ mcp251xfd_hw_rx_obj_to_skb(const struct mcp251xfd_priv *priv, if (hw_rx_obj->flags & MCP251XFD_OBJ_FLAGS_BRS) 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; cfd->len = can_get_cc_len(FIELD_GET(MCP251XFD_OBJ_FLAGS_DLC, 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 1626f73337ab..b2d56bb1950a 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c @@ -1249,11 +1249,11 @@ static void kvaser_usb_hydra_rx_msg_ext(const struct kvaser_usb *dev, if (flags & KVASER_USB_HYDRA_CF_FLAG_OVERRUN) 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) cf->flags |= CANFD_ESI; } else { 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 cf32bcfabba3..57dfa443c995 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c @@ -490,11 +490,11 @@ static int pcan_usb_fd_decode_canmsg(struct pcan_usb_fd_if *usb_if, cfd->flags |= CANFD_BRS; 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); if (!skb) return -ENOMEM; diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 92463cda7ac8..b2e8df8e4cb0 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -103,11 +103,10 @@ static inline unsigned int can_bit_time(const struct can_bittiming *bt) * * To be used in the CAN netdriver receive path to ensure conformance with * ISO 11898-1 Chapter 8.4.2.3 (DLC field) */ #define can_get_cc_len(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, struct sk_buff *skb) { 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 @@ -280,11 +280,11 @@ static inline int pucan_msg_get_channel(const struct pucan_rx_msg *msg) { return msg->channel_dlc & 0xf; } /* 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; } static inline int pucan_ermsg_get_channel(const struct pucan_error_msg *msg) -- 2.28.0