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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: Malcolm Priestley <tvboxspy@gmail.com> Cc: <stable@vger.kernel.org> # v3.19+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 8 additions and 1 deletions
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@ -1417,9 +1417,16 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
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priv->current_aid = conf->aid;
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if (changed & BSS_CHANGED_BSSID)
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if (changed & BSS_CHANGED_BSSID) {
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unsigned long flags;
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spin_lock_irqsave(&priv->lock, flags);
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MACvWriteBSSIDAddress(priv->PortOffset, (u8 *)conf->bssid);
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spin_unlock_irqrestore(&priv->lock, flags);
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}
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if (changed & BSS_CHANGED_BASIC_RATES) {
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priv->basic_rates = conf->basic_rates;
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