30 lines
1.2 KiB
Diff
30 lines
1.2 KiB
Diff
From: Franky Lin <frankyl@broadcom.com>
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Date: Wed, 17 Feb 2016 11:26:52 +0100
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Subject: [PATCH] brcmfmac: check for wowl support before enumerating feature
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flag
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In some cases wiphy->wowlan could be NULL if firmware doesn't have the
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support. Driver should check for support before walking down the feature
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flags.
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Reviewed-by: Arend Van Spriel <arend@broadcom.com>
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Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
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Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
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Signed-off-by: Franky Lin <frankyl@broadcom.com>
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Signed-off-by: Arend van Spriel <arend@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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@@ -6594,7 +6594,8 @@ struct brcmf_cfg80211_info *brcmf_cfg802
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if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SCAN_RANDOM_MAC)) {
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wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
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#ifdef CONFIG_PM
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- if (wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT)
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+ if (wiphy->wowlan &&
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+ wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT)
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wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
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#endif
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}
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