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[v3,2/7] can: dev: fix type of get_can_dlc() and get_canfd_dlc() macros

Message ID 20201002154219.4887-3-mailhol.vincent@wanadoo.fr
State New
Headers show
Series [v3,1/7] can: dev: can_get_echo_skb(): prevent call to kfree_skb() in hard IRQ context | expand

Commit Message

Vincent Mailhol Oct. 2, 2020, 3:41 p.m. UTC 
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 mbox series

Patch

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,