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- From: Franky Lin <frankyl@broadcom.com>
- Date: Wed, 17 Feb 2016 11:26:52 +0100
- Subject: [PATCH] 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>
- ---
- --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
- +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
- @@ -6594,7 +6594,8 @@ struct brcmf_cfg80211_info *brcmf_cfg802
- 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
- }
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