In mwifiex_enable_hs, we need to check if
priv->wdev.wiphy->wowlan_config is NULL before accessing it's member.
This sometimes cause kernel panic when suspend/resume.
Signed-off-by: Wei-Ning Huang <wnhuang@xxxxxxxxxxxx>
---
drivers/net/wireless/marvell/mwifiex/sta_ioctl.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
index d5c56eb..d8de432 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
@@ -509,7 +509,8 @@ int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
if (priv && priv->sched_scanning) {
#ifdef CONFIG_PM
- if (!priv->wdev.wiphy->wowlan_config->nd_config) {
+ if (priv->wdev.wiphy->wowlan_config &&
+ !priv->wdev.wiphy->wowlan_config->nd_config) {
#endif
mwifiex_dbg(adapter, CMD, "aborting bgscan!\n");
mwifiex_stop_bg_scan(priv);
--
2.1.2
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