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Subject[PATCH v3 2/7] can: dev: fix type of get_can_dlc() and get_canfd_dlc() macros
Date
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>
---
include/linux/can/dev.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 5e3d45525bd3..132b4133f9d0 100644
--- 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,
--
2.26.2
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