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staging: vt6656: lock changes: vDMA0_tx_80211

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vDMA0_tx_80211 is atomically called.

RFbSetPower can not be called atomically.

If wCurrentRate is different to pDevice->wCurrentRate call
bScheduleCommand WLAN_CMD_SETPOWER.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley
2014-05-15 22:49:16 +01:00
committed by Greg Kroah-Hartman
parent 931cb9ff6e
commit 3bc552a1a0
1 changed files with 5 additions and 5 deletions
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10
drivers/staging/vt6656/rxtx.c
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@@ -1781,11 +1781,11 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb)
// 2004.11.11 Kyle -- Using OFDM power to tx MngPkt will decrease the connection capability.
// And cmd timer will wait data pkt TX finish before scanning so it's OK
// to set power here.
if (pMgmt->eScanState != WMAC_NO_SCANNING) {
RFbSetPower(pDevice, wCurrentRate, pDevice->byCurrentCh);
} else {
RFbSetPower(pDevice, wCurrentRate, pMgmt->uCurrChannel);
}
if (wCurrentRate != pDevice->wCurrentRate) {
pDevice->wCurrentRate = wCurrentRate;
bScheduleCommand(pDevice, WLAN_CMD_SETPOWER, NULL);
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vDMA0_tx_80211: p80211Header->sA3.wFrameCtl = %x \n", p80211Header->sA3.wFrameCtl);