From 23af24db1f9732c83ec4a066e69b803fa3323b38 Mon Sep 17 00:00:00 2001
From: Alan Chen <alache@codeaurora.org>
Date: Mon, 16 Mar 2020 15:39:24 -0700
Subject: [PATCH] qcacmn: Add null check in qdf_runtime_lock_deinit()

qdf_runtime_lock_deinit() is currently using the lock blindly without
checking if it is null. Add a null check to prevent it from using a
null pointer.

Change-Id: I3aa13c436f3668de7b1070c2c40bc69c7a4cc9fc
CRs-Fixed: 2642914
---
 qdf/linux/src/qdf_lock.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/qdf/linux/src/qdf_lock.c b/qdf/linux/src/qdf_lock.c
index a567f84b1b47..cac7b6a2d6ca 100644
--- a/qdf/linux/src/qdf_lock.c
+++ b/qdf/linux/src/qdf_lock.c
@@ -580,6 +580,10 @@ qdf_export_symbol(__qdf_runtime_lock_init);
 void qdf_runtime_lock_deinit(qdf_runtime_lock_t *lock)
 {
 	void *hif_ctx = cds_get_context(QDF_MODULE_ID_HIF);
+
+	if (!lock)
+		return;
+
 	hif_runtime_lock_deinit(hif_ctx, lock->lock);
 }
 qdf_export_symbol(qdf_runtime_lock_deinit);