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Commit 664a5c1d authored by Malcolm Priestley's avatar Malcolm Priestley Committed by Greg Kroah-Hartman
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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: default avatarMalcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org> # v3.19+
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 032ed34a

drivers/staging/vt6655/device_main.c

+8 −1
Original line number Diff line number Diff line
@@ -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;