openwrtv4/package/kernel/mac80211/patches/344-0003-brcmfmac-check-for-wowl-support-before-enumerating-f.patch
Rafał Miłecki f5317ed5d2 mac80211: backport brcmfmac patchset with driver setting concept
This prepares brcmfmac for better country handling and fixes BCM4360
support which was always failing with:
[   13.249195] brcmfmac: brcmf_pcie_download_fw_nvram: FW failed to initialize

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 48959
2016-03-07 22:37:09 +00:00

29 lines
1.2 KiB
Diff

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
}