net: qrtr: Use alloc_skb_with_frags for backup memory

Use alloc_skb_with_frags for skb allocation to keep it uniform
throughout the rx path.

Change-Id: Id38eeea0a7d422b50c1ad6a90b9b569f26c45917
Signed-off-by: Jay Jayanna <jayanna@codeaurora.org>

net/qrtr/qrtr.c

@@ -706,15 +706,20 @@ EXPORT_SYMBOL(qrtr_peek_pkt_size);
 static void qrtr_alloc_backup(struct work_struct *work)
 {
 	struct sk_buff *skb;
+	int errcode;
 
 	while (skb_queue_len(&qrtr_backup_lo) < QRTR_BACKUP_LO_NUM) {
-		skb = alloc_skb(QRTR_BACKUP_LO_SIZE, GFP_KERNEL);
+		skb = alloc_skb_with_frags(sizeof(struct qrtr_hdr_v1),
+					   QRTR_BACKUP_LO_SIZE, 0, &errcode,
+					   GFP_KERNEL);
 		if (!skb)
 			break;
 		skb_queue_tail(&qrtr_backup_lo, skb);
 	}
 	while (skb_queue_len(&qrtr_backup_hi) < QRTR_BACKUP_HI_NUM) {
-		skb = alloc_skb(QRTR_BACKUP_HI_SIZE, GFP_KERNEL);
+		skb = alloc_skb_with_frags(sizeof(struct qrtr_hdr_v1),
+					   QRTR_BACKUP_HI_SIZE, 0, &errcode,
+					   GFP_KERNEL);
 		if (!skb)
 			break;
 		skb_queue_tail(&qrtr_backup_hi, skb);