net/can/grcan.c

260 	struct sk_buff **echo_skb;	/* We allocate this on our own */
262 	/* The echo skb pointer, pointing into echo_skb and indicating which
269 	 * the echo_skb pointer eskbp and for making sure that a running reset
273 	 * The echo_skb pointer, eskbp, should only be accessed under this lock
1057 	priv->echo_skb = kcalloc(dma->tx.size, sizeof(*priv->echo_skb),
1059 	if (!priv->echo_skb) {
1064 	priv->can.echo_skb = priv->echo_skb;
1092 	kfree(priv->echo_skb);
1125 	priv->can.echo_skb = NULL;
1126 	kfree(priv->echo_skb);