qtnfmac: fix firmware command error path

Free command skb if bus state is not QTNF_FW_STATE_ACTIVE.

Signed-off-by: Dmitry Lebed <dlebed@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/quantenna/qtnfmac/commands.c

@@ -102,6 +102,7 @@ static int qtnf_cmd_send_with_reply(struct qtnf_bus *bus,
 		pr_warn("VIF%u.%u: drop cmd 0x%.4X in fw state %d\n",
 			mac_id, vif_id, le16_to_cpu(cmd->cmd_id),
 			bus->fw_state);
+		dev_kfree_skb(cmd_skb);
 		return -ENODEV;
 	}
 

drivers/net/wireless/quantenna/qtnfmac/trans.c

@@ -35,8 +35,10 @@ int qtnf_trans_send_cmd_with_resp(struct qtnf_bus *bus, struct sk_buff *cmd_skb,
 	bool resp_not_handled = true;
 	struct sk_buff *resp_skb = NULL;
 
-	if (unlikely(!response_skb))
+	if (unlikely(!response_skb)) {
+		dev_kfree_skb(cmd_skb);
 		return -EFAULT;
+	}
 
 	spin_lock(&ctl_node->resp_lock);
 	ctl_node->seq_num++;