qcacld-3.0: Return failure ind to upper layer

Host receives "get_tdls_capabilities" request
to get TDLS capabilities from user space.

Host should immediately return fail indication
to user space if memory allocation failed for
skb buffer in
__wlan_hdd_cfg80211_get_tdls_capabilities.

Change-Id: I9e0a14949b55ad811968b718f17022897cd646eb
CRs-Fixed: 3770374

core/hdd/src/wlan_hdd_cfg80211.c

@@ -1339,7 +1339,7 @@ static int __wlan_hdd_cfg80211_get_tdls_capabilities(struct wiphy *wiphy,
 						       NLMSG_HDRLEN);
 	if (!skb) {
 		hdd_err("wlan_cfg80211_vendor_cmd_alloc_reply_skb failed");
-		goto fail;
+		return -EINVAL;
 	}
 
 	if ((cfg_tdls_get_support_enable(hdd_ctx->psoc, &tdls_support) ==