[added to the 3.18 stable tree] Revert "can: fix loss of CAN frames in raw_rcv"

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This reverts commit c215cf258214858a5a6c3e63cd7ee78b92d210b2.

Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
 drivers/net/can/dev.c   | 5 -----
 drivers/net/can/slcan.c | 1 -
 drivers/net/can/vcan.c  | 3 ---
 net/can/af_can.c        | 6 +-----
 4 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index bb686e1..573b53b 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -360,9 +360,6 @@ unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx)
 		struct can_frame *cf = (struct can_frame *)skb->data;
 		u8 dlc = cf->can_dlc;
 
-		if (!(skb->tstamp.tv64))
-			__net_timestamp(skb);
-
 		netif_rx(priv->echo_skb[idx]);
 		priv->echo_skb[idx] = NULL;
 
@@ -499,7 +496,6 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf)
 	if (unlikely(!skb))
 		return NULL;
 
-	__net_timestamp(skb);
 	skb->protocol = htons(ETH_P_CAN);
 	skb->pkt_type = PACKET_BROADCAST;
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -528,7 +524,6 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev,
 	if (unlikely(!skb))
 		return NULL;
 
-	__net_timestamp(skb);
 	skb->protocol = htons(ETH_P_CANFD);
 	skb->pkt_type = PACKET_BROADCAST;
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index cb6b472..acb5b92 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -210,7 +210,6 @@ static void slc_bump(struct slcan *sl)
 	if (!skb)
 		return;
 
-	__net_timestamp(skb);
 	skb->dev = sl->dev;
 	skb->protocol = htons(ETH_P_CAN);
 	skb->pkt_type = PACKET_BROADCAST;
diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c
index 30e4627..4e94057 100644
--- a/drivers/net/can/vcan.c
+++ b/drivers/net/can/vcan.c
@@ -81,9 +81,6 @@ static void vcan_rx(struct sk_buff *skb, struct net_device *dev)
 	skb->dev       = dev;
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
 
-	if (!(skb->tstamp.tv64))
-		__net_timestamp(skb);
-
 	netif_rx_ni(skb);
 }
 
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 9a32449..d6030d6 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -313,12 +313,8 @@ int can_send(struct sk_buff *skb, int loop)
 		return err;
 	}
 
-	if (newskb) {
-		if (!(newskb->tstamp.tv64))
-			__net_timestamp(newskb);
-
+	if (newskb)
 		netif_rx_ni(newskb);
-	}
 
 	/* update statistics */
 	can_stats.tx_frames++;
-- 
2.1.4

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