diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/aacraid/commctrl.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index a7355260cfc..a5ebf8f49fa 100644 --- a/drivers/scsi/aacraid/commctrl.c +++ b/drivers/scsi/aacraid/commctrl.c @@ -90,14 +90,24 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) if (size < le16_to_cpu(kfib->header.SenderSize)) size = le16_to_cpu(kfib->header.SenderSize); if (size > dev->max_fib_size) { + dma_addr_t daddr; + if (size > 2048) { retval = -EINVAL; goto cleanup; } + + kfib = pci_alloc_consistent(dev->pdev, size, &daddr); + if (!kfib) { + retval = -ENOMEM; + goto cleanup; + } + /* Highjack the hw_fib */ hw_fib = fibptr->hw_fib_va; hw_fib_pa = fibptr->hw_fib_pa; - fibptr->hw_fib_va = kfib = pci_alloc_consistent(dev->pdev, size, &fibptr->hw_fib_pa); + fibptr->hw_fib_va = kfib; + fibptr->hw_fib_pa = daddr; memset(((char *)kfib) + dev->max_fib_size, 0, size - dev->max_fib_size); memcpy(kfib, hw_fib, dev->max_fib_size); } |