- patches.apparmor/remove_suid_new_case_in_2.6.22.diff: Merge fix.

[linux-flexiantxendom0-3.2.10.git] / drivers / atm / idt77252.c

diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index b4b8014..3800bc0 100644 (file)
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -47,7 +47,8 @@ static char const rcsid[] =
 #include <linux/bitops.h>
 #include <linux/wait.h>
 #include <linux/jiffies.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/atomic.h>
@@ -1065,7 +1066,8 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
        vcc = vc->rx_vcc;
 
        pci_dma_sync_single_for_cpu(card->pcidev, IDT77252_PRV_PADDR(skb),
-                                   skb->end - skb->data, PCI_DMA_FROMDEVICE);
+                                   skb_end_pointer(skb) - skb->data,
+                                   PCI_DMA_FROMDEVICE);
 
        if ((vcc->qos.aal == ATM_AAL0) ||
            (vcc->qos.aal == ATM_AAL34)) {
@@ -1194,7 +1196,8 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
                }
 
                pci_unmap_single(card->pcidev, IDT77252_PRV_PADDR(skb),
-                                skb->end - skb->data, PCI_DMA_FROMDEVICE);
+                                skb_end_pointer(skb) - skb->data,
+                                PCI_DMA_FROMDEVICE);
                sb_pool_remove(card, skb);
 
                skb_trim(skb, len);
@@ -1267,7 +1270,7 @@ idt77252_rx_raw(struct idt77252_dev *card)
        tail = readl(SAR_REG_RAWCT);
 
        pci_dma_sync_single_for_cpu(card->pcidev, IDT77252_PRV_PADDR(queue),
-                                   queue->end - queue->head - 16,
+                                   skb_end_pointer(queue) - queue->head - 16,
                                    PCI_DMA_FROMDEVICE);
 
        while (head != tail) {
@@ -1363,7 +1366,8 @@ drop:
                                queue = card->raw_cell_head;
                                pci_dma_sync_single_for_cpu(card->pcidev,
                                                            IDT77252_PRV_PADDR(queue),
-                                                           queue->end - queue->data,
+                                                           (skb_end_pointer(queue) -
+                                                            queue->data),
                                                            PCI_DMA_FROMDEVICE);
                        } else {
                                card->raw_cell_head = NULL;
@@ -1816,7 +1820,8 @@ push_rx_skb(struct idt77252_dev *card, struct sk_buff *skb, int queue)
        u32 handle;
        u32 addr;
 
-       skb->data = skb->tail = skb->head;
+       skb->data = skb->head;
+       skb_reset_tail_pointer(skb);
        skb->len = 0;
 
        skb_reserve(skb, 16);
@@ -1835,7 +1840,6 @@ push_rx_skb(struct idt77252_dev *card, struct sk_buff *skb, int queue)
                skb_put(skb, SAR_FB_SIZE_3);
                break;
        default:
-               dev_kfree_skb(skb);
                return -1;
        }
 
@@ -1874,7 +1878,7 @@ add_rx_skb(struct idt77252_dev *card, int queue,
                }
 
                paddr = pci_map_single(card->pcidev, skb->data,
-                                      skb->end - skb->data,
+                                      skb_end_pointer(skb) - skb->data,
                                       PCI_DMA_FROMDEVICE);
                IDT77252_PRV_PADDR(skb) = paddr;
 
@@ -1888,7 +1892,7 @@ add_rx_skb(struct idt77252_dev *card, int queue,
 
 outunmap:
        pci_unmap_single(card->pcidev, IDT77252_PRV_PADDR(skb),
-                        skb->end - skb->data, PCI_DMA_FROMDEVICE);
+                        skb_end_pointer(skb) - skb->data, PCI_DMA_FROMDEVICE);
 
        handle = IDT77252_PRV_POOL(skb);
        card->sbpool[POOL_QUEUE(handle)].skb[POOL_INDEX(handle)] = NULL;
@@ -1905,12 +1909,14 @@ recycle_rx_skb(struct idt77252_dev *card, struct sk_buff *skb)
        int err;
 
        pci_dma_sync_single_for_device(card->pcidev, IDT77252_PRV_PADDR(skb),
-                                      skb->end - skb->data, PCI_DMA_FROMDEVICE);
+                                      skb_end_pointer(skb) - skb->data,
+                                      PCI_DMA_FROMDEVICE);
 
        err = push_rx_skb(card, skb, POOL_QUEUE(handle));
        if (err) {
                pci_unmap_single(card->pcidev, IDT77252_PRV_PADDR(skb),
-                                skb->end - skb->data, PCI_DMA_FROMDEVICE);
+                                skb_end_pointer(skb) - skb->data,
+                                PCI_DMA_FROMDEVICE);
                sb_pool_remove(card, skb);
                dev_kfree_skb(skb);
        }
@@ -2430,7 +2436,7 @@ idt77252_open(struct atm_vcc *vcc)
 
        set_bit(ATM_VF_ADDR, &vcc->flags);
 
-       down(&card->mutex);
+       mutex_lock(&card->mutex);
 
        OPRINTK("%s: opening vpi.vci: %d.%d\n", card->name, vpi, vci);
 
@@ -2441,7 +2447,7 @@ idt77252_open(struct atm_vcc *vcc)
                break;
        default:
                printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal);
-               up(&card->mutex);
+               mutex_unlock(&card->mutex);
                return -EPROTONOSUPPORT;
        }
 
@@ -2450,7 +2456,7 @@ idt77252_open(struct atm_vcc *vcc)
                card->vcs[index] = kzalloc(sizeof(struct vc_map), GFP_KERNEL);
                if (!card->vcs[index]) {
                        printk("%s: can't alloc vc in open()\n", card->name);
-                       up(&card->mutex);
+                       mutex_unlock(&card->mutex);
                        return -ENOMEM;
                }
                card->vcs[index]->card = card;
@@ -2479,14 +2485,14 @@ idt77252_open(struct atm_vcc *vcc)
        if (inuse) {
                printk("%s: %s vci already in use.\n", card->name,
                       inuse == 1 ? "tx" : inuse == 2 ? "rx" : "tx and rx");
-               up(&card->mutex);
+               mutex_unlock(&card->mutex);
                return -EADDRINUSE;
        }
 
        if (vcc->qos.txtp.traffic_class != ATM_NONE) {
                error = idt77252_init_tx(card, vc, vcc, &vcc->qos);
                if (error) {
-                       up(&card->mutex);
+                       mutex_unlock(&card->mutex);
                        return error;
                }
        }
@@ -2494,14 +2500,14 @@ idt77252_open(struct atm_vcc *vcc)
        if (vcc->qos.rxtp.traffic_class != ATM_NONE) {
                error = idt77252_init_rx(card, vc, vcc, &vcc->qos);
                if (error) {
-                       up(&card->mutex);
+                       mutex_unlock(&card->mutex);
                        return error;
                }
        }
 
        set_bit(ATM_VF_READY, &vcc->flags);
 
-       up(&card->mutex);
+       mutex_unlock(&card->mutex);
        return 0;
 }
 
@@ -2515,7 +2521,7 @@ idt77252_close(struct atm_vcc *vcc)
        unsigned long addr;
        unsigned long timeout;
 
-       down(&card->mutex);
+       mutex_lock(&card->mutex);
 
        IPRINTK("%s: idt77252_close: vc = %d (%d.%d)\n",
                card->name, vc->index, vcc->vpi, vcc->vci);
@@ -2586,7 +2592,7 @@ done:
                free_scq(card, vc->scq);
        }
 
-       up(&card->mutex);
+       mutex_unlock(&card->mutex);
 }
 
 static int
@@ -2597,7 +2603,7 @@ idt77252_change_qos(struct atm_vcc *vcc, struct atm_qos *qos, int flags)
        struct vc_map *vc = vcc->dev_data;
        int error = 0;
 
-       down(&card->mutex);
+       mutex_lock(&card->mutex);
 
        if (qos->txtp.traffic_class != ATM_NONE) {
                if (!test_bit(VCF_TX, &vc->flags)) {
@@ -2643,7 +2649,7 @@ idt77252_change_qos(struct atm_vcc *vcc, struct atm_qos *qos, int flags)
        set_bit(ATM_VF_HASQOS, &vcc->flags);
 
 out:
-       up(&card->mutex);
+       mutex_unlock(&card->mutex);
        return error;
 }
 
@@ -3122,7 +3128,8 @@ deinit_card(struct idt77252_dev *card)
                        if (skb) {
                                pci_unmap_single(card->pcidev,
                                                 IDT77252_PRV_PADDR(skb),
-                                                skb->end - skb->data,
+                                                (skb_end_pointer(skb) -
+                                                 skb->data),
                                                 PCI_DMA_FROMDEVICE);
                                card->sbpool[i].skb[j] = NULL;
                                dev_kfree_skb(skb);
@@ -3703,7 +3710,7 @@ idt77252_init_one(struct pci_dev *pcidev, const struct pci_device_id *id)
        membase = pci_resource_start(pcidev, 1);
        srambase = pci_resource_start(pcidev, 2);
 
-       init_MUTEX(&card->mutex);
+       mutex_init(&card->mutex);
        spin_lock_init(&card->cmd_lock);
        spin_lock_init(&card->tst_lock);