diff options
Diffstat (limited to 'drivers/isdn')
| -rw-r--r-- | drivers/isdn/hardware/avm/t1isa.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/isdn/hardware/avm/t1isa.c b/drivers/isdn/hardware/avm/t1isa.c index c925020fe9b..6130724e46e 100644 --- a/drivers/isdn/hardware/avm/t1isa.c +++ b/drivers/isdn/hardware/avm/t1isa.c @@ -180,8 +180,8 @@ static irqreturn_t t1isa_interrupt(int interrupt, void *devptr) ApplId = (unsigned) b1_get_word(card->port); MsgLen = t1_get_slice(card->port, card->msgbuf); - spin_unlock_irqrestore(&card->lock, flags); if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) { + spin_unlock_irqrestore(&card->lock, flags); printk(KERN_ERR "%s: incoming packet dropped\n", card->name); } else { @@ -190,7 +190,7 @@ static irqreturn_t t1isa_interrupt(int interrupt, void *devptr) capilib_data_b3_conf(&cinfo->ncci_head, ApplId, CAPIMSG_NCCI(skb->data), CAPIMSG_MSGID(skb->data)); - + spin_unlock_irqrestore(&card->lock, flags); capi_ctr_handle_message(ctrl, ApplId, skb); } break; @@ -200,21 +200,17 @@ static irqreturn_t t1isa_interrupt(int interrupt, void *devptr) ApplId = b1_get_word(card->port); NCCI = b1_get_word(card->port); WindowSize = b1_get_word(card->port); - spin_unlock_irqrestore(&card->lock, flags); - capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize); - + spin_unlock_irqrestore(&card->lock, flags); break; case RECEIVE_FREE_NCCI: ApplId = b1_get_word(card->port); NCCI = b1_get_word(card->port); - spin_unlock_irqrestore(&card->lock, flags); - if (NCCI != 0xffffffff) capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI); - + spin_unlock_irqrestore(&card->lock, flags); break; case RECEIVE_START: @@ -333,13 +329,16 @@ static void t1isa_reset_ctr(struct capi_ctr *ctrl) avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); avmcard *card = cinfo->card; unsigned int port = card->port; + unsigned long flags; t1_disable_irq(port); b1_reset(port); b1_reset(port); memset(cinfo->version, 0, sizeof(cinfo->version)); + spin_lock_irqsave(&card->lock, flags); capilib_release(&cinfo->ncci_head); + spin_unlock_irqrestore(&card->lock, flags); capi_ctr_reseted(ctrl); } @@ -466,29 +465,26 @@ static u16 t1isa_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data); u16 dlen, retval; + spin_lock_irqsave(&card->lock, flags); if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) { retval = capilib_data_b3_req(&cinfo->ncci_head, CAPIMSG_APPID(skb->data), CAPIMSG_NCCI(skb->data), CAPIMSG_MSGID(skb->data)); - if (retval != CAPI_NOERROR) + if (retval != CAPI_NOERROR) { + spin_unlock_irqrestore(&card->lock, flags); return retval; - + } dlen = CAPIMSG_DATALEN(skb->data); - spin_lock_irqsave(&card->lock, flags); b1_put_byte(port, SEND_DATA_B3_REQ); t1_put_slice(port, skb->data, len); t1_put_slice(port, skb->data + len, dlen); - spin_unlock_irqrestore(&card->lock, flags); } else { - - spin_lock_irqsave(&card->lock, flags); b1_put_byte(port, SEND_MESSAGE); t1_put_slice(port, skb->data, len); - spin_unlock_irqrestore(&card->lock, flags); } - + spin_unlock_irqrestore(&card->lock, flags); dev_kfree_skb_any(skb); return CAPI_NOERROR; } |