From c551f8bedc95be275ff2e94d5a498eff26004bca Mon Sep 17 00:00:00 2001 From: Karsten Keil Date: Thu, 18 Oct 2007 23:39:19 -0700 Subject: [PATCH] --- yaml --- r: 71393 b: refs/heads/master c: 1e9c7813723c925623f2e21a93e2d5dc05ea8d12 h: refs/heads/master i: 71391: d5e3aaf35a0f9de2b3bfb9c2c6187b3f51a83266 v: v3 --- [refs] | 2 +- trunk/drivers/isdn/hardware/avm/b1dma.c | 28 +++++++++++++++++-------- 2 files changed, 20 insertions(+), 10 deletions(-) diff --git a/[refs] b/[refs] index b071b37ee082..322845300574 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: eac141deb4f0136059372923ac3f0eab0bef5bce +refs/heads/master: 1e9c7813723c925623f2e21a93e2d5dc05ea8d12 diff --git a/trunk/drivers/isdn/hardware/avm/b1dma.c b/trunk/drivers/isdn/hardware/avm/b1dma.c index 428872b653e9..669f6f67449c 100644 --- a/trunk/drivers/isdn/hardware/avm/b1dma.c +++ b/trunk/drivers/isdn/hardware/avm/b1dma.c @@ -486,11 +486,13 @@ static void b1dma_handle_rx(avmcard *card) card->name); } else { memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); - if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF) + if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF) { + spin_lock(&card->lock); capilib_data_b3_conf(&cinfo->ncci_head, ApplId, - CAPIMSG_NCCI(skb->data), - CAPIMSG_MSGID(skb->data)); - + CAPIMSG_NCCI(skb->data), + CAPIMSG_MSGID(skb->data)); + spin_unlock(&card->lock); + } capi_ctr_handle_message(ctrl, ApplId, skb); } break; @@ -500,9 +502,9 @@ static void b1dma_handle_rx(avmcard *card) ApplId = _get_word(&p); NCCI = _get_word(&p); WindowSize = _get_word(&p); - + spin_lock(&card->lock); capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize); - + spin_unlock(&card->lock); break; case RECEIVE_FREE_NCCI: @@ -510,9 +512,11 @@ static void b1dma_handle_rx(avmcard *card) ApplId = _get_word(&p); NCCI = _get_word(&p); - if (NCCI != 0xffffffff) + if (NCCI != 0xffffffff) { + spin_lock(&card->lock); capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI); - + spin_unlock(&card->lock); + } break; case RECEIVE_START: @@ -751,10 +755,10 @@ void b1dma_reset_ctr(struct capi_ctr *ctrl) spin_lock_irqsave(&card->lock, flags); b1dma_reset(card); - spin_unlock_irqrestore(&card->lock, flags); memset(cinfo->version, 0, sizeof(cinfo->version)); capilib_release(&cinfo->ncci_head); + spin_unlock_irqrestore(&card->lock, flags); capi_ctr_reseted(ctrl); } @@ -803,8 +807,11 @@ void b1dma_release_appl(struct capi_ctr *ctrl, u16 appl) avmcard *card = cinfo->card; struct sk_buff *skb; void *p; + unsigned long flags; + spin_lock_irqsave(&card->lock, flags); capilib_release_appl(&cinfo->ncci_head, appl); + spin_unlock_irqrestore(&card->lock, flags); skb = alloc_skb(7, GFP_ATOMIC); if (!skb) { @@ -832,10 +839,13 @@ u16 b1dma_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) u16 retval = CAPI_NOERROR; if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_REQ) { + unsigned long flags; + spin_lock_irqsave(&card->lock, flags); retval = capilib_data_b3_req(&cinfo->ncci_head, CAPIMSG_APPID(skb->data), CAPIMSG_NCCI(skb->data), CAPIMSG_MSGID(skb->data)); + spin_unlock_irqrestore(&card->lock, flags); } if (retval == CAPI_NOERROR) b1dma_queue_tx(card, skb);