[PATCH 6.3 260/364] can: dev: fix missing CAN XL support in can_put_echo_skb()

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From: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>

[ Upstream commit 6bffdc38f9935bae49f980448f3f6be2dada0564 ]

can_put_echo_skb() checks for the enabled IFF_ECHO flag and the
correct ETH_P type of the given skbuff. When implementing the CAN XL
support the new check for ETH_P_CANXL has been forgotten.

Fixes: fb08cba12b52 ("can: canxl: update CAN infrastructure for CAN XL frames")
Signed-off-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
Link: https://lore.kernel.org/all/20230506184515.39241-1-socketcan@xxxxxxxxxxxx
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/can/dev/skb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/can/dev/skb.c b/drivers/net/can/dev/skb.c
index 241ec636e91fd..f6d05b3ef59ab 100644
--- a/drivers/net/can/dev/skb.c
+++ b/drivers/net/can/dev/skb.c
@@ -54,7 +54,8 @@ int can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
 	/* check flag whether this packet has to be looped back */
 	if (!(dev->flags & IFF_ECHO) ||
 	    (skb->protocol != htons(ETH_P_CAN) &&
-	     skb->protocol != htons(ETH_P_CANFD))) {
+	     skb->protocol != htons(ETH_P_CANFD) &&
+	     skb->protocol != htons(ETH_P_CANXL))) {
 		kfree_skb(skb);
 		return 0;
 	}
-- 
2.39.2






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