From 80edc7843e3cc7cdc355a0a3329f9f41db61aa3f Mon Sep 17 00:00:00 2001
From: Mukul Sharma <mukul@codeaurora.org>
Date: Mon, 12 Sep 2016 15:59:24 +0530
Subject: [PATCH] qcacld-3.0: protect mgmt flow in SSR case

qcacld-2.0 to qcacld-3.0 propagation

Fix the race condition, between 2 kernel worker threads
while shutdown is in progress.

Change-Id: I6e71ae55c57dac8c2adb36167783615e218cb481
CRs-Fixed: 834362
---
 core/wma/src/wma_mgmt.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/core/wma/src/wma_mgmt.c b/core/wma/src/wma_mgmt.c
index 1e8b8bf982cb..5a4690eb576c 100644
--- a/core/wma/src/wma_mgmt.c
+++ b/core/wma/src/wma_mgmt.c
@@ -3140,6 +3140,11 @@ static int wma_mgmt_rx_process(void *handle, uint8_t *data,
 		return -EINVAL;
 	}
 
+	if (cds_is_driver_recovering()) {
+		WMA_LOGW(FL("Recovery in progress"));
+		return -EINVAL;
+	}
+
 	qdf_mem_zero(rx_pkt, sizeof(*rx_pkt));
 
 	/*