diff options
| author | Hamad Kadmany <qca_hkadmany@qca.qualcomm.com> | 2017-04-05 14:58:08 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2017-04-13 15:45:57 +0300 |
| commit | b819447dfc4bd120c9d6cd8521252d544fce8fe7 (patch) | |
| tree | 23d7ccca44a5c7d11af3d2d54462ee7da8a53136 /drivers/net/wireless/ath/wil6210/wmi.c | |
| parent | 90ffabb08b7d0627239c7dd53c3c7065a158508c (diff) | |
| download | op-kernel-dev-b819447dfc4bd120c9d6cd8521252d544fce8fe7.zip op-kernel-dev-b819447dfc4bd120c9d6cd8521252d544fce8fe7.tar.gz | |
wil6210: fix protection against connections during reset
Existing code that ignores connection events during
reset flow will never take effect since it locks the
same mutex taken by the reset flow.
In addition, in case of unsolicited disconnect events ignore
those as well since device is about to get reset.
Signed-off-by: Hamad Kadmany <qca_hkadmany@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/wmi.c')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wmi.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index e6c249d..814c356 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -518,16 +518,16 @@ static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len) assoc_resp_ielen = 0; } - mutex_lock(&wil->mutex); if (test_bit(wil_status_resetting, wil->status) || !test_bit(wil_status_fwready, wil->status)) { wil_err(wil, "status_resetting, cancel connect event, CID %d\n", evt->cid); - mutex_unlock(&wil->mutex); /* no need for cleanup, wil_reset will do that */ return; } + mutex_lock(&wil->mutex); + if ((wdev->iftype == NL80211_IFTYPE_STATION) || (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) { if (!test_bit(wil_status_fwconnecting, wil->status)) { @@ -631,6 +631,13 @@ static void wmi_evt_disconnect(struct wil6210_priv *wil, int id, wil->sinfo_gen++; + if (test_bit(wil_status_resetting, wil->status) || + !test_bit(wil_status_fwready, wil->status)) { + wil_err(wil, "status_resetting, cancel disconnect event\n"); + /* no need for cleanup, wil_reset will do that */ + return; + } + mutex_lock(&wil->mutex); wil6210_disconnect(wil, evt->bssid, reason_code, true); mutex_unlock(&wil->mutex); |
