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authorSergey Matyukevich <sergey.matyukevich.os@quantenna.com>2018-05-29 15:00:00 +0300
committerKalle Valo <kvalo@codeaurora.org>2018-05-30 22:20:05 +0300
commit9a3beeb5b73a55d8d4ada9cf17bec24ad1f31394 (patch)
tree1a83afecc48ce2c2414876209ca1c2668a5aa220
parent36e8c538b374d07b69961cb1980f8bb39061b822 (diff)
downloadnfc-next-9a3beeb5b73a55d8d4ada9cf17bec24ad1f31394.tar.gz
qtnfmac: cleanup wdev structure between its uses
Driver uses statically allocated wdev structures for each virtual interface. However wdev structure is not properly cleaned up between its uses. As a result, various bugs appear when userspace tools like hostapd were not gracefully stopped. In particular, this commit fixes the following issue: - start hostapd with more than 2 mBSS - kill hostapd using SIGKILL - start again hostapd with more than 2 mBSS However only two mBSS entities will be started: primary and the last BSS listed in hostapd config. Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
-rw-r--r--drivers/net/wireless/quantenna/qtnfmac/cfg80211.c8
-rw-r--r--drivers/net/wireless/quantenna/qtnfmac/core.c1
2 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
index bf624d975953fb..2089cb0952835c 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
@@ -177,8 +177,6 @@ int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
vif->netdev->ieee80211_ptr = NULL;
vif->netdev = NULL;
vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
- eth_zero_addr(vif->mac_addr);
- eth_zero_addr(vif->bssid);
return 0;
}
@@ -216,10 +214,12 @@ static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy,
}
eth_zero_addr(vif->mac_addr);
+ eth_zero_addr(vif->bssid);
vif->bss_priority = QTNF_DEF_BSS_PRIORITY;
+ vif->sta_state = QTNF_STA_DISCONNECTED;
+ memset(&vif->wdev, 0, sizeof(vif->wdev));
vif->wdev.wiphy = wiphy;
vif->wdev.iftype = type;
- vif->sta_state = QTNF_STA_DISCONNECTED;
break;
default:
pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type);
@@ -255,8 +255,6 @@ err_mac:
qtnf_cmd_send_del_intf(vif);
err_cmd:
vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
- eth_zero_addr(vif->mac_addr);
- eth_zero_addr(vif->bssid);
return ERR_PTR(-EFAULT);
}
diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c
index b3bfb4faa9186b..3ccbc427cf56c0 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.c
@@ -394,7 +394,6 @@ int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *vif,
dev = alloc_netdev_mqs(sizeof(struct qtnf_vif *), name,
name_assign_type, ether_setup, 1, 1);
if (!dev) {
- memset(&vif->wdev, 0, sizeof(vif->wdev));
vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
return -ENOMEM;
}