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authorOliver Hartkopp <socketcan@hartkopp.net>2020-11-20 11:04:44 +0100
committerMarc Kleine-Budde <mkl@pengutronix.de>2020-11-20 12:04:12 +0100
commitc7b74967799b1af52b3045d69d4c26836b2d41de (patch)
tree8ea93c983077794b4ea8825facfd35c3208da9cb /net/can/j1939
parentcd1124e76d740327be5d8f9ce3785ce1119daf4b (diff)
downloadlinux-c7b74967799b1af52b3045d69d4c26836b2d41de.tar.gz
can: replace can_dlc as variable/element for payload length
The naming of can_dlc as element of struct can_frame and also as variable
name is misleading as it claims to be a 'data length CODE' but in reality
it always was a plain data length.

With the indroduction of a new 'len' element in struct can_frame we can now
remove can_dlc as name and make clear which of the former uses was a plain
length (-> 'len') or a data length code (-> 'dlc') value.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/r/20201120100444.3199-1-socketcan@hartkopp.net
[mkl: gs_usb: keep struct gs_host_frame::can_dlc as is]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'net/can/j1939')
-rw-r--r--net/can/j1939/main.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/can/j1939/main.c b/net/can/j1939/main.c
index 137054bff9ec..bb914d8b4216 100644
--- a/net/can/j1939/main.c
+++ b/net/can/j1939/main.c
@@ -62,7 +62,7 @@ static void j1939_can_recv(struct sk_buff *iskb, void *data)
 	skb_pull(skb, J1939_CAN_HDR);
 
 	/* fix length, set to dlc, with 8 maximum */
-	skb_trim(skb, min_t(uint8_t, cf->can_dlc, 8));
+	skb_trim(skb, min_t(uint8_t, cf->len, 8));
 
 	/* set addr */
 	skcb = j1939_skb_to_cb(skb);
@@ -335,7 +335,7 @@ int j1939_send_one(struct j1939_priv *priv, struct sk_buff *skb)
 		canid |= skcb->addr.da << 8;
 
 	cf->can_id = canid;
-	cf->can_dlc = dlc;
+	cf->len = dlc;
 
 	return can_send(skb, 1);