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Commit a5c92f0b authored Mar 30, 2016 by Wei-Ning Huang Committed by Kalle Valo Apr 07, 2016

mwifiex: fix NULL pointer dereference error



In mwifiex_enable_hs, we need to check if
priv->wdev.wiphy->wowlan_config is NULL before accessing its member.
This sometimes cause kernel panic when suspend/resume.

Signed-off-by: Wei-Ning Huang <wnhuang@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

parent 00135188

drivers/net/wireless/marvell/mwifiex/sta_ioctl.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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);