On Fri, 2008-02-15 at 10:56 -1000, Joshua Hoblitt wrote:
> Hi James,
>
> Daniel took the time to patch up the 2.6.24 version. I've tested it and
> the warning messages are gone. Please take a look at:
>
> diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c
> b/drivers/scsi/arcmsr/arcmsr_hba.c
> index f4a202e..4f9ff32 100644
> --- a/drivers/scsi/arcmsr/arcmsr_hba.c
> +++ b/drivers/scsi/arcmsr/arcmsr_hba.c
> @@ -1380,12 +1388,13 @@ static int arcmsr_iop_message_xfer(struct
> AdapterControlBlock *acb, \
>
> case ARCMSR_MESSAGE_READ_RQBUFFER: {
> unsigned long *ver_addr;
> - dma_addr_t buf_handle;
> uint8_t *pQbuffer, *ptmpQbuffer;
> int32_t allxfer_len = 0;
> + void *tmp;
>
> - ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle);
> - if (!ver_addr) {
> + tmp = kmalloc(1032, GFP_KERNEL|GFP_DMA);
GFP_DMA is pretty pointless for a buffer which never actually gets anywhere
near a DMA, isn't it?
> + ver_addr = (unsigned long *)tmp;
No cast needed from void *
> + if (!tmp) {
> retvalue = ARCMSR_MESSAGE_FAIL;
> goto message_out;
> }
> @@ -1421,18 +1430,19 @@ static int arcmsr_iop_message_xfer(struct
> AdapterControlBlock *acb, \
> memcpy(pcmdmessagefld->messagedatabuffer, (uint8_t *)ver_addr,
> allxfer_len);
> pcmdmessagefld->cmdmessage.Length = allxfer_len;
> pcmdmessagefld->cmdmessage.ReturnCode =
> ARCMSR_MESSAGE_RETURNCODE_OK;
> - pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle);
> + kfree(tmp);
> }
> break;
>
> case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
> unsigned long *ver_addr;
> - dma_addr_t buf_handle;
> int32_t my_empty_len, user_len, wqbuf_firstindex,
> wqbuf_lastindex;
> uint8_t *pQbuffer, *ptmpuserbuffer;
> + void *tmp;
>
> - ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle);
> - if (!ver_addr) {
> + tmp = kmalloc(1032, GFP_KERNEL|GFP_DMA);
> + ver_addr = (unsigned long *)tmp;
Actually, just do ver_addr = kmalloc(...) instead
> + if (!tmp) {
> retvalue = ARCMSR_MESSAGE_FAIL;
> goto message_out;
> }
> @@ -1482,7 +1492,7 @@ static int arcmsr_iop_message_xfer(struct
> AdapterControlBlock *acb, \
> retvalue = ARCMSR_MESSAGE_FAIL;
> }
> }
> - pci_free_consistent(acb->pdev, 1032, ver_addr,
> buf_handle);
> + kfree(tmp);
> }
> break;
I can't work out why this was pci_alloc_consistent in the first
place ... it's not used as consistent memory anywhere on the PCI bus
James
-
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