qcacld-3.0: Link_vdev used but uninitialized

Link_vdev might be used uninitialized when goto end before
mlo_get_vdev_by_link_id().

Change-Id: I56ff8620ead97f9f2992e9af52f4130f4194ae4d
CRs-Fixed: 3698100

core/hdd/src/wlan_hdd_cfg80211.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2012-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -12672,7 +12672,8 @@ static int hdd_get_mlo_max_band_info(struct wlan_hdd_link_info *link_info,
 	struct nlattr *mlo_bd_info = NULL;
 	uint32_t i = 0;
 	uint32_t link_id = 0;
-	struct wlan_objmgr_vdev *vdev, *link_vdev;
+	struct wlan_objmgr_vdev *vdev;
+	struct wlan_objmgr_vdev *link_vdev = NULL;
 	struct wlan_channel *bss_chan;
 	struct wlan_hdd_link_info *link_info_t;
 	struct hdd_station_ctx *sta_ctx;
@@ -12746,13 +12747,14 @@ static int hdd_get_mlo_max_band_info(struct wlan_hdd_link_info *link_info,
 		nla_nest_end(skb, mlo_bd);
 		i++;
 
-		hdd_objmgr_put_vdev_by_user(link_vdev, WLAN_OSIF_ID);
+		if (link_vdev)
+			hdd_objmgr_put_vdev_by_user(link_vdev, WLAN_OSIF_ID);
 	}
 	nla_nest_end(skb, mlo_bd_info);
 end:
 	hdd_objmgr_put_vdev_by_user(vdev, WLAN_OSIF_ID);
 
-	if (ret)
+	if (link_vdev)
 		hdd_objmgr_put_vdev_by_user(link_vdev, WLAN_OSIF_ID);
 
 	return ret;