From e81a22ce9b90b02adabb34b51e7535b5ddd60766 Mon Sep 17 00:00:00 2001
From: Chaithanya Garrepalli <cgarre@codeaurora.org>
Date: Fri, 21 Aug 2020 19:10:12 +0530
Subject: [PATCH] qcacmn: add null check in dp_peer_find_hash_find API

In cdp_soc_deinit peer hash table is freed to add
check to avoid NULL access from CDP APIs which may do
peer hash find

Change-Id: I47c4126c34bb64d43112a4f8e268da1a98f4124d
---
 dp/wifi3.0/dp_peer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dp/wifi3.0/dp_peer.c b/dp/wifi3.0/dp_peer.c
index be33fc0053..4219c85b34 100644
--- a/dp/wifi3.0/dp_peer.c
+++ b/dp/wifi3.0/dp_peer.c
@@ -1665,6 +1665,9 @@ struct dp_peer *dp_peer_find_hash_find(struct dp_soc *soc,
 	unsigned index;
 	struct dp_peer *peer;
 
+	if (!soc->peer_hash.bins)
+		return NULL;
+
 	if (mac_addr_is_aligned) {
 		mac_addr = (union dp_align_mac_addr *) peer_mac_addr;
 	} else {