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staging: vt6656: lock changes: vRunCommand nsDMA_tx_packet

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vRunCommand is nolonger atomic add lock for nsDMA_tx_packet.

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 22:49:18 +01:00
committed by Greg Kroah-Hartman
parent 8783a1a4af
commit 97641ca2b2
1 changed files with 9 additions and 0 deletions
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9
drivers/staging/vt6656/wcmd.c
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@@ -279,6 +279,7 @@ void vRunCommand(struct work_struct *work)
int ii;
u8 byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
u8 byData;
unsigned long flags;
if (pDevice->Flags & fMP_DISCONNECTED)
return;
@@ -667,9 +668,13 @@ void vRunCommand(struct work_struct *work)
pDevice->bMoreData = true;
}
spin_lock_irqsave(&pDevice->lock, flags);
if (nsDMA_tx_packet(pDevice, skb) != 0)
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Multicast ps tx fail\n");
spin_unlock_irqrestore(&pDevice->lock, flags);
pMgmt->sNodeDBTable[0].wEnQueueCnt--;
}
}
@@ -690,9 +695,13 @@ void vRunCommand(struct work_struct *work)
pDevice->bMoreData = true;
}
spin_lock_irqsave(&pDevice->lock, flags);
if (nsDMA_tx_packet(pDevice, skb) != 0)
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "sta ps tx fail\n");
spin_unlock_irqrestore(&pDevice->lock, flags);
pMgmt->sNodeDBTable[ii].wEnQueueCnt--;
// check if sta ps enable, wait next pspoll
// if sta ps disable, send all pending buffers.