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path: root/drivers/net/wireless/broadcom/brcm80211/brcmfmac
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Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c28
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h2
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c2
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c8
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h2
5 files changed, 22 insertions, 20 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 2628d5e12c64..b8aec5e5ef93 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -4527,7 +4527,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
(u8 *)&settings->beacon.head[ie_offset],
settings->beacon.head_len - ie_offset,
WLAN_EID_SSID);
- if (!ssid_ie)
+ if (!ssid_ie || ssid_ie->len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
@@ -5635,7 +5635,7 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
ifevent->action, ifevent->flags, ifevent->ifidx,
ifevent->bsscfgidx);
- mutex_lock(&event->vif_event_lock);
+ spin_lock(&event->vif_event_lock);
event->action = ifevent->action;
vif = event->vif;
@@ -5643,7 +5643,7 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
case BRCMF_E_IF_ADD:
/* waiting process may have timed out */
if (!cfg->vif_event.vif) {
- mutex_unlock(&event->vif_event_lock);
+ spin_unlock(&event->vif_event_lock);
return -EBADF;
}
@@ -5654,24 +5654,24 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
ifp->ndev->ieee80211_ptr = &vif->wdev;
SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
}
- mutex_unlock(&event->vif_event_lock);
+ spin_unlock(&event->vif_event_lock);
wake_up(&event->vif_wq);
return 0;
case BRCMF_E_IF_DEL:
- mutex_unlock(&event->vif_event_lock);
+ spin_unlock(&event->vif_event_lock);
/* event may not be upon user request */
if (brcmf_cfg80211_vif_event_armed(cfg))
wake_up(&event->vif_wq);
return 0;
case BRCMF_E_IF_CHANGE:
- mutex_unlock(&event->vif_event_lock);
+ spin_unlock(&event->vif_event_lock);
wake_up(&event->vif_wq);
return 0;
default:
- mutex_unlock(&event->vif_event_lock);
+ spin_unlock(&event->vif_event_lock);
break;
}
return -EINVAL;
@@ -5792,7 +5792,7 @@ static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
{
init_waitqueue_head(&event->vif_wq);
- mutex_init(&event->vif_event_lock);
+ spin_lock_init(&event->vif_event_lock);
}
static s32 brcmf_dongle_roam(struct brcmf_if *ifp)
@@ -6691,9 +6691,9 @@ static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
{
u8 evt_action;
- mutex_lock(&event->vif_event_lock);
+ spin_lock(&event->vif_event_lock);
evt_action = event->action;
- mutex_unlock(&event->vif_event_lock);
+ spin_unlock(&event->vif_event_lock);
return evt_action == action;
}
@@ -6702,10 +6702,10 @@ void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
{
struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
- mutex_lock(&event->vif_event_lock);
+ spin_lock(&event->vif_event_lock);
event->vif = vif;
event->action = 0;
- mutex_unlock(&event->vif_event_lock);
+ spin_unlock(&event->vif_event_lock);
}
bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
@@ -6713,9 +6713,9 @@ bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
bool armed;
- mutex_lock(&event->vif_event_lock);
+ spin_lock(&event->vif_event_lock);
armed = event->vif != NULL;
- mutex_unlock(&event->vif_event_lock);
+ spin_unlock(&event->vif_event_lock);
return armed;
}
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
index 7d77f869b7f1..8889832c17e0 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
@@ -227,7 +227,7 @@ struct escan_info {
*/
struct brcmf_cfg80211_vif_event {
wait_queue_head_t vif_wq;
- struct mutex vif_event_lock;
+ spinlock_t vif_event_lock;
u8 action;
struct brcmf_cfg80211_vif *vif;
};
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index 8d16f0204985..65e8c8766441 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -743,7 +743,7 @@ static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx,
* serious troublesome side effects. The p2p module will clean
* up the ifp if needed.
*/
- brcmf_p2p_ifp_removed(ifp);
+ brcmf_p2p_ifp_removed(ifp, rtnl_locked);
kfree(ifp);
}
}
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
index 66f942f7448e..de19c7c92bc6 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
@@ -2297,7 +2297,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev)
return err;
}
-void brcmf_p2p_ifp_removed(struct brcmf_if *ifp)
+void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked)
{
struct brcmf_cfg80211_info *cfg;
struct brcmf_cfg80211_vif *vif;
@@ -2306,9 +2306,11 @@ void brcmf_p2p_ifp_removed(struct brcmf_if *ifp)
vif = ifp->vif;
cfg = wdev_to_cfg(&vif->wdev);
cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL;
- rtnl_lock();
+ if (!rtnl_locked)
+ rtnl_lock();
cfg80211_unregister_wdev(&vif->wdev);
- rtnl_unlock();
+ if (!rtnl_locked)
+ rtnl_unlock();
brcmf_free_vif(vif);
}
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
index a3bd18c2360b..8ce9447533ef 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
@@ -155,7 +155,7 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev);
int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
enum brcmf_fil_p2p_if_types if_type);
-void brcmf_p2p_ifp_removed(struct brcmf_if *ifp);
+void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked);
int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev);
void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev);
int brcmf_p2p_scan_prep(struct wiphy *wiphy,