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brcmfmac: Create netdev before returning from add_virtual_intf.

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Currently netdev gets created possibly after returning from
add_virtual_intf. This is because add_if is handled asynch. This
is wrong and netdev should be up before returning.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2013-02-08 15:54:01 +01:00 committed by John W. Linville
parent dae3a27359
commit 4b3a89de8a
3 changed files with 6 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/brcm80211/brcmfmac/p2p.c
View File

@ -1591,7 +1591,11 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
}
strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
brcmf_cfg80211_vif_complete(cfg);
err = brcmf_net_attach(ifp, true);
if (err) {
brcmf_err("Registering netdevice failed\n");
goto fail;
}
cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = vif;
/* Disable firmware roaming for P2P interface */
brcmf_fil_iovar_int_set(ifp, "roam_off", 1);

10
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
View File

@ -4665,10 +4665,7 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
mutex_unlock(&event->vif_event_lock);
wake_up(&event->vif_wq);
/* waiting process need to set the netdev name */
wait_for_completion(&event->vif_complete);
return brcmf_net_attach(ifp, true);
return 0;
case BRCMF_E_IF_DEL:
ifp->vif = NULL;
@ -4800,7 +4797,6 @@ 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);
init_completion(&event->vif_complete);
mutex_init(&event->vif_event_lock);
}
@ -5154,7 +5150,3 @@ int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
vif_event_equals(event, action), timeout);
}
void brcmf_cfg80211_vif_complete(struct brcmf_cfg80211_info *cfg)
{
complete(&cfg->vif_event.vif_complete);
}

2
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h
View File

@ -337,7 +337,6 @@ struct brcmf_pno_scanresults_le {
struct brcmf_cfg80211_vif_event {
wait_queue_head_t vif_wq;
struct mutex vif_event_lock;
struct completion vif_complete;
u8 action;
struct brcmf_cfg80211_vif *vif;
};
@ -493,7 +492,6 @@ void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
u8 action, ulong timeout);
void brcmf_cfg80211_vif_complete(struct brcmf_cfg80211_info *info);
s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
struct net_device *ndev,
bool aborted, bool fw_abort);