ehea: Add some info messages and fix an issue

This patch adds some debug information about ehea not being able to
allocate enough spaces. Also it correctly updates the amount of available
skb.

Signed-off-by: Breno Leitao <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ehea/ehea_main.c

···
 			skb_arr_rq1[index] = netdev_alloc_skb(dev,
 							      EHEA_L_PKT_SIZE);
 			if (!skb_arr_rq1[index]) {
+				ehea_info("Unable to allocate enough skb in the array\n");
 				pr->rq1_skba.os_skbs = fill_wqes - i;
 				break;
 			}
···
 	struct net_device *dev = pr->port->netdev;
 	int i;
 
-	for (i = 0; i < pr->rq1_skba.len; i++) {
+	if (nr_rq1a > pr->rq1_skba.len) {
+		ehea_error("NR_RQ1A bigger than skb array len\n");
+		return;
+	}
+
+	for (i = 0; i < nr_rq1a; i++) {
 		skb_arr_rq1[i] = netdev_alloc_skb(dev, EHEA_L_PKT_SIZE);
-		if (!skb_arr_rq1[i])
+		if (!skb_arr_rq1[i]) {
+			ehea_info("No enough memory to allocate skb array\n");
 			break;
+		}
 	}
 	/* Ring doorbell */
-	ehea_update_rq1a(pr->qp, nr_rq1a);
+	ehea_update_rq1a(pr->qp, i);
 }
 
 static int ehea_refill_rq_def(struct ehea_port_res *pr,
···
 
 					skb = netdev_alloc_skb(dev,
 							       EHEA_L_PKT_SIZE);
-					if (!skb)
+					if (!skb) {
+						ehea_info("Not enough memory to allocate skb\n");
 						break;
+					}
 				}
 				skb_copy_to_linear_data(skb, ((char *)cqe) + 64,
 						 cqe->num_bytes_transfered - 4);