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Fixed a crashing bug when large fast uploads are in progress.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9155 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Nathan Whitehorn 2004-10-01 20:09:27 +00:00
parent af91664416
commit 518ba2b80c
1 changed files with 5 additions and 16 deletions
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21
src/add-ons/kernel/drivers/network/bcm570x/b57um.c
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@ -319,7 +319,7 @@ status_t init_driver(void) {
cards_found++;
}
mempool_init((MAX_RX_PACKET_DESC_COUNT+10) * cards_found);
mempool_init((MAX_RX_PACKET_DESC_COUNT+MAX_TX_PACKET_DESC_COUNT) * cards_found);
dev_list[cards_found] = NULL;
@ -569,9 +569,6 @@ status_t b57_read(void *cookie,off_t pos,void *data,size_t *numBytes) {
release_spinlock(&pUmDevice->lock);
enable_interrupts(cpu);
//write(debug_fd,"\n\nPacket follows\n",17);
//write(debug_fd,data,*numBytes);
return B_OK;
}
@ -581,7 +578,6 @@ status_t b57_write(void *cookie,off_t pos,const void *data,size_t *numBytes) {
PLM_PACKET pPacket;
struct B_UM_PACKET *pUmPacket;
cpu_status cpu;
//char debug[255];
/*if ((pDevice->LinkStatus == LM_STATUS_LINK_DOWN) || !pDevice->InitDone)
{
@ -597,17 +593,12 @@ status_t b57_write(void *cookie,off_t pos,const void *data,size_t *numBytes) {
pUmPacket = (struct B_UM_PACKET *) pPacket;
pUmPacket->data = chunk_pool_get();
/*sprintf(debug,"Copy %d bytes of packet data (0x%08x->0x%08x (0x%08x - size %d))...",*numBytes,data,pPacket,pUmPacket->data,pUmPacket->size);
kernel_debugger(debug);*/
memcpy(pUmPacket->data/*+pDevice->dataoffset*/,data,*numBytes); /* no guarantee data is contiguous, so we have to copy */
pPacket->PacketSize = pUmPacket->size = *numBytes/*+pDevice->rxoffset*/;
memcpy(pUmPacket->data,data,*numBytes); /* no guarantee data is contiguous, so we have to copy */
pPacket->PacketSize = pUmPacket->size = *numBytes;
pPacket->u.Tx.FragCount = 1;
pPacket->Flags = 0;
//kernel_debugger("Sending packet...");
tx_cleanup_thread(pUmDevice);
cpu = disable_interrupts();
@ -617,9 +608,7 @@ status_t b57_write(void *cookie,off_t pos,const void *data,size_t *numBytes) {
release_spinlock(&pUmDevice->lock);
enable_interrupts(cpu);
//kernel_debugger("Packet sent!");
return B_OK;
}