firewire: standardize a variable name

"ret" is the new "retval".

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

4 files changed, 57 insertions, 58 deletions

diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c
index 44af45205dcd..07c32a4bada2 100644
--- a/drivers/firewire/fw-cdev.c
+++ b/drivers/firewire/fw-cdev.c
@@ -169,13 +169,13 @@ dequeue_event(struct client *client, char __user *buffer, size_t count)
         unsigned long flags;
         struct event *event;
         size_t size, total;
-        int i, retval;
+        int i, ret;
 
-        retval = wait_event_interruptible(client->wait,
-                                          !list_empty(&client->event_list) ||
-                                          fw_device_is_shutdown(client->device));
-        if (retval < 0)
-                return retval;
+        ret = wait_event_interruptible(client->wait,
+                        !list_empty(&client->event_list) ||
+                        fw_device_is_shutdown(client->device));
+        if (ret < 0)
+                return ret;
 
         if (list_empty(&client->event_list) &&
                        fw_device_is_shutdown(client->device))
@@ -190,17 +190,17 @@ dequeue_event(struct client *client, char __user *buffer, size_t count)
         for (i = 0; i < ARRAY_SIZE(event->v) && total < count; i++) {
                 size = min(event->v[i].size, count - total);
                 if (copy_to_user(buffer + total, event->v[i].data, size)) {
-                        retval = -EFAULT;
+                        ret = -EFAULT;
                         goto out;
                 }
                 total += size;
         }
-        retval = total;
+        ret = total;
 
  out:
         kfree(event);
 
-        return retval;
+        return ret;
 }
 
 static ssize_t
@@ -958,7 +958,7 @@ static int
 dispatch_ioctl(struct client *client, unsigned int cmd, void __user *arg)
 {
         char buffer[256];
-        int retval;
+        int ret;
 
         if (_IOC_TYPE(cmd) != '#' ||
             _IOC_NR(cmd) >= ARRAY_SIZE(ioctl_handlers))
@@ -970,9 +970,9 @@ dispatch_ioctl(struct client *client, unsigned int cmd, void __user *arg)
                         return -EFAULT;
         }
 
-        retval = ioctl_handlers[_IOC_NR(cmd)](client, buffer);
-        if (retval < 0)
-                return retval;
+        ret = ioctl_handlers[_IOC_NR(cmd)](client, buffer);
+        if (ret < 0)
+                return ret;
 
         if (_IOC_DIR(cmd) & _IOC_READ) {
                 if (_IOC_SIZE(cmd) > sizeof(buffer) ||
@@ -980,7 +980,7 @@ dispatch_ioctl(struct client *client, unsigned int cmd, void __user *arg)
                         return -EFAULT;
         }
 
-        return retval;
+        return ret;
 }
 
 static long
@@ -1014,7 +1014,7 @@ static int fw_device_op_mmap(struct file *file, struct vm_area_struct *vma)
         struct client *client = file->private_data;
         enum dma_data_direction direction;
         unsigned long size;
-        int page_count, retval;
+        int page_count, ret;
 
         if (fw_device_is_shutdown(client->device))
                 return -ENODEV;
@@ -1040,16 +1040,16 @@ static int fw_device_op_mmap(struct file *file, struct vm_area_struct *vma)
         else
                 direction = DMA_FROM_DEVICE;
 
-        retval = fw_iso_buffer_init(&client->buffer, client->device->card,
-                                    page_count, direction);
-        if (retval < 0)
-                return retval;
+        ret = fw_iso_buffer_init(&client->buffer, client->device->card,
+                                 page_count, direction);
+        if (ret < 0)
+                return ret;
 
-        retval = fw_iso_buffer_map(&client->buffer, vma);
-        if (retval < 0)
+        ret = fw_iso_buffer_map(&client->buffer, vma);
+        if (ret < 0)
                 fw_iso_buffer_destroy(&client->buffer, client->device->card);
 
-        return retval;
+        return ret;
 }
 
 static int shutdown_resource(int id, void *p, void *data)
diff --git a/drivers/firewire/fw-iso.c b/drivers/firewire/fw-iso.c
index e14c03dc0065..cb32b20da9a0 100644
--- a/drivers/firewire/fw-iso.c
+++ b/drivers/firewire/fw-iso.c
@@ -32,7 +32,7 @@ int
 fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
                    int page_count, enum dma_data_direction direction)
 {
-        int i, j, retval = -ENOMEM;
+        int i, j;
         dma_addr_t address;
 
         buffer->page_count = page_count;
@@ -69,19 +69,19 @@ fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
         kfree(buffer->pages);
  out:
         buffer->pages = NULL;
-        return retval;
+        return -ENOMEM;
 }
 
 int fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma)
 {
         unsigned long uaddr;
-        int i, retval;
+        int i, ret;
 
         uaddr = vma->vm_start;
         for (i = 0; i < buffer->page_count; i++) {
-                retval = vm_insert_page(vma, uaddr, buffer->pages[i]);
-                if (retval)
-                        return retval;
+                ret = vm_insert_page(vma, uaddr, buffer->pages[i]);
+                if (ret)
+                        return ret;
                 uaddr += PAGE_SIZE;
         }
 
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index bbfd6cdac668..b941ab3da18e 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -1209,7 +1209,7 @@ static void
 at_context_transmit(struct context *ctx, struct fw_packet *packet)
 {
         unsigned long flags;
-        int retval;
+        int ret;
 
         spin_lock_irqsave(&ctx->ohci->lock, flags);
 
@@ -1220,10 +1220,10 @@ at_context_transmit(struct context *ctx, struct fw_packet *packet)
                 return;
         }
 
-        retval = at_context_queue_packet(ctx, packet);
+        ret = at_context_queue_packet(ctx, packet);
         spin_unlock_irqrestore(&ctx->ohci->lock, flags);
 
-        if (retval < 0)
+        if (ret < 0)
                 packet->callback(packet, &ctx->ohci->card, packet->ack);
 
 }
@@ -1595,7 +1595,7 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length)
 {
         struct fw_ohci *ohci;
         unsigned long flags;
-        int retval = -EBUSY;
+        int ret = -EBUSY;
         __be32 *next_config_rom;
         dma_addr_t uninitialized_var(next_config_rom_bus);
 
@@ -1649,7 +1649,7 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length)
 
                 reg_write(ohci, OHCI1394_ConfigROMmap,
                           ohci->next_config_rom_bus);
-                retval = 0;
+                ret = 0;
         }
 
         spin_unlock_irqrestore(&ohci->lock, flags);
@@ -1661,13 +1661,13 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length)
          * controller could need to access it before the bus reset
          * takes effect.
          */
-        if (retval == 0)
+        if (ret == 0)
                 fw_core_initiate_bus_reset(&ohci->card, 1);
         else
                 dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
                                   next_config_rom, next_config_rom_bus);
 
-        return retval;
+        return ret;
 }
 
 static void ohci_send_request(struct fw_card *card, struct fw_packet *packet)
@@ -1689,7 +1689,7 @@ static int ohci_cancel_packet(struct fw_card *card, struct fw_packet *packet)
         struct fw_ohci *ohci = fw_ohci(card);
         struct context *ctx = &ohci->at_request_ctx;
         struct driver_data *driver_data = packet->driver_data;
-        int retval = -ENOENT;
+        int ret = -ENOENT;
 
         tasklet_disable(&ctx->tasklet);
 
@@ -1704,12 +1704,11 @@ static int ohci_cancel_packet(struct fw_card *card, struct fw_packet *packet)
         driver_data->packet = NULL;
         packet->ack = RCODE_CANCELLED;
         packet->callback(packet, &ohci->card, packet->ack);
-        retval = 0;
-
+        ret = 0;
  out:
         tasklet_enable(&ctx->tasklet);
 
-        return retval;
+        return ret;
 }
 
 static int
@@ -1720,7 +1719,7 @@ ohci_enable_phys_dma(struct fw_card *card, int node_id, int generation)
 #else
         struct fw_ohci *ohci = fw_ohci(card);
         unsigned long flags;
-        int n, retval = 0;
+        int n, ret = 0;
 
         /*
          * FIXME:  Make sure this bitmask is cleared when we clear the busReset
@@ -1730,7 +1729,7 @@ ohci_enable_phys_dma(struct fw_card *card, int node_id, int generation)
         spin_lock_irqsave(&ohci->lock, flags);
 
         if (ohci->generation != generation) {
-                retval = -ESTALE;
+                ret = -ESTALE;
                 goto out;
         }
 
@@ -1748,7 +1747,8 @@ ohci_enable_phys_dma(struct fw_card *card, int node_id, int generation)
         flush_writes(ohci);
  out:
         spin_unlock_irqrestore(&ohci->lock, flags);
-        return retval;
+
+        return ret;
 #endif /* CONFIG_FIREWIRE_OHCI_REMOTE_DMA */
 }
 
@@ -1892,7 +1892,7 @@ ohci_allocate_iso_context(struct fw_card *card, int type, size_t header_size)
         descriptor_callback_t callback;
         u32 *mask, regs;
         unsigned long flags;
-        int index, retval = -ENOMEM;
+        int index, ret = -ENOMEM;
 
         if (type == FW_ISO_CONTEXT_TRANSMIT) {
                 mask = &ohci->it_context_mask;
@@ -1928,8 +1928,8 @@ ohci_allocate_iso_context(struct fw_card *card, int type, size_t header_size)
         if (ctx->header == NULL)
                 goto out;
 
-        retval = context_init(&ctx->context, ohci, regs, callback);
-        if (retval < 0)
+        ret = context_init(&ctx->context, ohci, regs, callback);
+        if (ret < 0)
                 goto out_with_header;
 
         return &ctx->base;
@@ -1941,7 +1941,7 @@ ohci_allocate_iso_context(struct fw_card *card, int type, size_t header_size)
         *mask |= 1 << index;
         spin_unlock_irqrestore(&ohci->lock, flags);
 
-        return ERR_PTR(retval);
+        return ERR_PTR(ret);
 }
 
 static int ohci_start_iso(struct fw_iso_context *base,
@@ -2291,21 +2291,20 @@ ohci_queue_iso(struct fw_iso_context *base,
 {
         struct iso_context *ctx = container_of(base, struct iso_context, base);
         unsigned long flags;
-        int retval;
+        int ret;
 
         spin_lock_irqsave(&ctx->context.ohci->lock, flags);
         if (base->type == FW_ISO_CONTEXT_TRANSMIT)
-                retval = ohci_queue_iso_transmit(base, packet, buffer, payload);
+                ret = ohci_queue_iso_transmit(base, packet, buffer, payload);
         else if (ctx->context.ohci->use_dualbuffer)
-                retval = ohci_queue_iso_receive_dualbuffer(base, packet,
-                                                         buffer, payload);
+                ret = ohci_queue_iso_receive_dualbuffer(base, packet,
+                                                        buffer, payload);
         else
-                retval = ohci_queue_iso_receive_packet_per_buffer(base, packet,
-                                                                buffer,
-                                                                payload);
+                ret = ohci_queue_iso_receive_packet_per_buffer(base, packet,
+                                                        buffer, payload);
         spin_unlock_irqrestore(&ctx->context.ohci->lock, flags);
 
-        return retval;
+        return ret;
 }
 
 static const struct fw_card_driver ohci_driver = {
diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c
index 058f5ed24390..e17ebc42f12c 100644
--- a/drivers/firewire/fw-transaction.c
+++ b/drivers/firewire/fw-transaction.c
@@ -943,11 +943,11 @@ static struct fw_descriptor model_id_descriptor = {
 
 static int __init fw_core_init(void)
 {
-        int retval;
+        int ret;
 
-        retval = bus_register(&fw_bus_type);
-        if (retval < 0)
-                return retval;
+        ret = bus_register(&fw_bus_type);
+        if (ret < 0)
+                return ret;
 
         fw_cdev_major = register_chrdev(0, "firewire", &fw_device_ops);
         if (fw_cdev_major < 0) {