can: dev: fix type of get_can_dlc() and get_canfd_dlc() macros

The macros get_can_dlc() and get_canfd_dlc() are not visible in
userland. As such, type u8 should be preferred over type __u8.

Reference: https://lkml.org/lkml/2020/10/1/708
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://lore.kernel.org/r/20201002154219.4887-3-mailhol.vincent@wanadoo.fr
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index ed0482b2f4b2fbb420ee6572ead773903d228a03..f8975d0b90bb8cb9520769e59d39fa28e6002366 100644 (file)
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -84,13 +84,13 @@ struct can_priv {
 
 /*
  * get_can_dlc(value) - helper macro to cast a given data length code (dlc)
- * to __u8 and ensure the dlc value to be max. 8 bytes.
+ * to u8 and ensure the dlc value to be max. 8 bytes.
  *
  * To be used in the CAN netdriver receive path to ensure conformance with
  * ISO 11898-1 Chapter 8.4.2.3 (DLC field)
  */
-#define get_can_dlc(i)         (min_t(__u8, (i), CAN_MAX_DLC))
-#define get_canfd_dlc(i)       (min_t(__u8, (i), CANFD_MAX_DLC))
+#define get_can_dlc(i)         (min_t(u8, (i), CAN_MAX_DLC))
+#define get_canfd_dlc(i)       (min_t(u8, (i), 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,