Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.0 069/148] staging: vt6655: lock MACvWriteBSSIDAddress. | Date | Wed, 3 Jun 2015 21:08:59 +0900 |
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4.0-stable review patch. If anyone has any objections, please let me know.
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From: Malcolm Priestley <tvboxspy@gmail.com>
commit 664a5c1d1e33cd89cb7883e8c74638cc482b5da7 upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/staging/vt6655/device_main.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
--- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1414,9 +1414,16 @@ static void vnt_bss_info_changed(struct 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;
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