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staging: vt6656: s_nsBulkInUsbIoCompleteRead check that used sk_buff is clean and ready to reuse.
skb_push the headroom and trimmed back to 0 Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -303,6 +303,9 @@ static void s_nsBulkInUsbIoCompleteRead(struct urb *urb)
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spin_unlock_irqrestore(&priv->lock, flags);
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return;
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}
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} else {
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skb_push(rcb->skb, skb_headroom(rcb->skb));
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skb_trim(rcb->skb, 0);
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}
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urb->transfer_buffer = skb_put(rcb->skb,
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