cnss2: add null pointer check
add null pointer check.
Change-Id: I8a5bbe5037d1f15113e58bb16b90f243ea8ef807
Signed-off-by: Ke Huang <keh@codeaurora.org>
diff --git a/drivers/net/wireless/cnss2/main.c b/drivers/net/wireless/cnss2/main.c
index 89d6e1c..c115a0e 100644
--- a/drivers/net/wireless/cnss2/main.c
+++ b/drivers/net/wireless/cnss2/main.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -249,6 +249,8 @@
{
struct cnss_plat_data *plat_priv = cnss_bus_dev_to_plat_priv(dev);
int ret = 0;
+ if (!plat_priv)
+ return -ENODEV;
if (plat_priv->device_id == QCA6174_DEVICE_ID)
return 0;
@@ -281,6 +283,8 @@
int cnss_wlan_disable(struct device *dev, enum cnss_driver_mode mode)
{
struct cnss_plat_data *plat_priv = cnss_bus_dev_to_plat_priv(dev);
+ if (!plat_priv)
+ return -ENODEV;
if (plat_priv->device_id == QCA6174_DEVICE_ID)
return 0;
@@ -369,6 +373,8 @@
int cnss_set_fw_log_mode(struct device *dev, u8 fw_log_mode)
{
struct cnss_plat_data *plat_priv = cnss_bus_dev_to_plat_priv(dev);
+ if (!plat_priv)
+ return -ENODEV;
if (plat_priv->device_id == QCA6174_DEVICE_ID)
return 0;