2 files changed, 10 insertions, 2 deletions

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 120f1ab5a2ce..9d9799cf68cd 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -327,16 +327,24 @@ EXPORT_SYMBOL_GPL(can_put_echo_skb);
  * is handled in the device driver. The driver must protect
  * access to priv->echo_skb, if necessary.
  */
-void can_get_echo_skb(struct net_device *dev, unsigned int idx)
+unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx)
 {
         struct can_priv *priv = netdev_priv(dev);
 
         BUG_ON(idx >= priv->echo_skb_max);
 
         if (priv->echo_skb[idx]) {
+                struct sk_buff *skb = priv->echo_skb[idx];
+                struct can_frame *cf = (struct can_frame *)skb->data;
+                u8 dlc = cf->can_dlc;
+
                 netif_rx(priv->echo_skb[idx]);
                 priv->echo_skb[idx] = NULL;
+
+                return dlc;
         }
+
+        return 0;
 }
 EXPORT_SYMBOL_GPL(can_get_echo_skb);
 
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index a0969fcb72b9..5d2efe7e3f1b 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -92,7 +92,7 @@ void can_bus_off(struct net_device *dev);
 
 void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
                       unsigned int idx);
-void can_get_echo_skb(struct net_device *dev, unsigned int idx);
+unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx);
 void can_free_echo_skb(struct net_device *dev, unsigned int idx);
 
 struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf);