diff options
| -rw-r--r-- | drivers/isdn/hardware/mISDN/hfcsusb.c | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c index 17cc879ad2bb..6d05946b445e 100644 --- a/drivers/isdn/hardware/mISDN/hfcsusb.c +++ b/drivers/isdn/hardware/mISDN/hfcsusb.c @@ -819,6 +819,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len, int fifon = fifo->fifonum; int i; int hdlc = 0; + unsigned long flags; if (debug & DBG_HFC_CALL_TRACE) printk(KERN_DEBUG "%s: %s: fifo(%i) len(%i) " @@ -835,7 +836,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len, return; } - spin_lock(&hw->lock); + spin_lock_irqsave(&hw->lock, flags); if (fifo->dch) { rx_skb = fifo->dch->rx_skb; maxlen = fifo->dch->maxlen; @@ -844,7 +845,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len, if (fifo->bch) { if (test_bit(FLG_RX_OFF, &fifo->bch->Flags)) { fifo->bch->dropcnt += len; - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); return; } maxlen = bchannel_get_rxbuf(fifo->bch, len); @@ -854,7 +855,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len, skb_trim(rx_skb, 0); pr_warning("%s.B%d: No bufferspace for %d bytes\n", hw->name, fifo->bch->nr, len); - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); return; } maxlen = fifo->bch->maxlen; @@ -878,7 +879,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len, } else { printk(KERN_DEBUG "%s: %s: No mem for rx_skb\n", hw->name, __func__); - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); return; } } @@ -888,7 +889,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len, "for fifo(%d) HFCUSB_D_RX\n", hw->name, __func__, fifon); skb_trim(rx_skb, 0); - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); return; } } @@ -942,7 +943,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len, /* deliver transparent data to layer2 */ recv_Bchannel(fifo->bch, MISDN_ID_ANY, false); } - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); } static void @@ -979,18 +980,19 @@ rx_iso_complete(struct urb *urb) __u8 *buf; static __u8 eof[8]; __u8 s0_state; + unsigned long flags; fifon = fifo->fifonum; status = urb->status; - spin_lock(&hw->lock); + spin_lock_irqsave(&hw->lock, flags); if (fifo->stop_gracefull) { fifo->stop_gracefull = 0; fifo->active = 0; - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); return; } - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); /* * ISO transfer only partially completed, @@ -1096,15 +1098,16 @@ rx_int_complete(struct urb *urb) struct usb_fifo *fifo = (struct usb_fifo *) urb->context; struct hfcsusb *hw = fifo->hw; static __u8 eof[8]; + unsigned long flags; - spin_lock(&hw->lock); + spin_lock_irqsave(&hw->lock, flags); if (fifo->stop_gracefull) { fifo->stop_gracefull = 0; fifo->active = 0; - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); return; } - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); fifon = fifo->fifonum; if ((!fifo->active) || (urb->status)) { @@ -1172,12 +1175,13 @@ tx_iso_complete(struct urb *urb) int *tx_idx; int frame_complete, fifon, status, fillempty = 0; __u8 threshbit, *p; + unsigned long flags; - spin_lock(&hw->lock); + spin_lock_irqsave(&hw->lock, flags); if (fifo->stop_gracefull) { fifo->stop_gracefull = 0; fifo->active = 0; - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); return; } @@ -1195,7 +1199,7 @@ tx_iso_complete(struct urb *urb) } else { printk(KERN_DEBUG "%s: %s: neither BCH nor DCH\n", hw->name, __func__); - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); return; } @@ -1375,7 +1379,7 @@ tx_iso_complete(struct urb *urb) hw->name, __func__, symbolic(urb_errlist, status), status, fifon); } - spin_unlock(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); } /* |