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path: root/drivers/scsi/aacraid/commctrl.c
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Diffstat (limited to 'drivers/scsi/aacraid/commctrl.c')
-rw-r--r--drivers/scsi/aacraid/commctrl.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index a7355260cfcf..0391d759dfdb 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -1,6 +1,6 @@
1/* 1/*
2 * Adaptec AAC series RAID controller driver 2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> 3 * (c) Copyright 2001 Red Hat Inc.
4 * 4 *
5 * based on the old aacraid driver that is.. 5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux. 6 * Adaptec aacraid device driver for Linux.
@@ -90,14 +90,24 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
90 if (size < le16_to_cpu(kfib->header.SenderSize)) 90 if (size < le16_to_cpu(kfib->header.SenderSize))
91 size = le16_to_cpu(kfib->header.SenderSize); 91 size = le16_to_cpu(kfib->header.SenderSize);
92 if (size > dev->max_fib_size) { 92 if (size > dev->max_fib_size) {
93 dma_addr_t daddr;
94
93 if (size > 2048) { 95 if (size > 2048) {
94 retval = -EINVAL; 96 retval = -EINVAL;
95 goto cleanup; 97 goto cleanup;
96 } 98 }
99
100 kfib = pci_alloc_consistent(dev->pdev, size, &daddr);
101 if (!kfib) {
102 retval = -ENOMEM;
103 goto cleanup;
104 }
105
97 /* Highjack the hw_fib */ 106 /* Highjack the hw_fib */
98 hw_fib = fibptr->hw_fib_va; 107 hw_fib = fibptr->hw_fib_va;
99 hw_fib_pa = fibptr->hw_fib_pa; 108 hw_fib_pa = fibptr->hw_fib_pa;
100 fibptr->hw_fib_va = kfib = pci_alloc_consistent(dev->pdev, size, &fibptr->hw_fib_pa); 109 fibptr->hw_fib_va = kfib;
110 fibptr->hw_fib_pa = daddr;
101 memset(((char *)kfib) + dev->max_fib_size, 0, size - dev->max_fib_size); 111 memset(((char *)kfib) + dev->max_fib_size, 0, size - dev->max_fib_size);
102 memcpy(kfib, hw_fib, dev->max_fib_size); 112 memcpy(kfib, hw_fib, dev->max_fib_size);
103 } 113 }