diff options
| author |   Malcolm Priestley <tvboxspy@gmail.com> | 2015-04-21 22:33:02 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-08 14:35:23 +0200 |
| commit | 664a5c1d1e33cd89cb7883e8c74638cc482b5da7 (patch) | |
| tree | a369a563f427727f8a7e0de83c862e217c14a71f /drivers/staging | |
| parent | staging: vt6655: CARDbUpdateTSF bss timestamp correct tsf counter value. (diff) | |
| download | linux-dev-664a5c1d1e33cd89cb7883e8c74638cc482b5da7.tar.xz linux-dev-664a5c1d1e33cd89cb7883e8c74638cc482b5da7.zip | |
staging: vt6655: lock MACvWriteBSSIDAddress.
This function selects page 1 and cause intermittent problems on
interrupt handler.
lock call with spin_lock_irqsave.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org> # v3.19+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/vt6655/device_main.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index b3860477eceb..0343ae386f03 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1417,9 +1417,16 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, priv->current_aid = conf->aid; - if (changed & BSS_CHANGED_BSSID) + if (changed & BSS_CHANGED_BSSID) { + unsigned long flags; + + spin_lock_irqsave(&priv->lock, flags); + MACvWriteBSSIDAddress(priv->PortOffset, (u8 *)conf->bssid); + spin_unlock_irqrestore(&priv->lock, flags); + } + if (changed & BSS_CHANGED_BASIC_RATES) { priv->basic_rates = conf->basic_rates; |