Commit 6ea09153 authored Feb 17, 2016 by Franky Lin Committed by Kalle Valo Mar 07, 2016

brcmfmac: check for wowl support before enumerating feature flag



In some cases wiphy->wowlan could be NULL if firmware doesn't have the
support. Driver should check for support before walking down the feature
flags.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

parent d5367334

drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -6594,7 +6594,8 @@ struct brcmf_cfg80211_info brcmf_cfg80211_attach(struct brcmf_pub drvr,
		if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SCAN_RANDOM_MAC)) {
		wiphy->features \|= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
		#ifdef CONFIG_PM
		if (wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT)
		if (wiphy->wowlan &&
		wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT)
		wiphy->features \|= NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
		#endif
		}