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Date: Sun, 14 Dec 2008 21:45:45 +0100 (CET)
From: Stefan Richter <stefanr@...6.in-berlin.de>
To: linux1394-devel@...ts.sourceforge.net
cc: linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] firewire: standardize a variable name
"ret" is the new "retval".
Signed-off-by: Stefan Richter <stefanr@...6.in-berlin.de>
---
drivers/firewire/fw-cdev.c | 44 ++++++++++++-------------
drivers/firewire/fw-iso.c | 12 +++----
drivers/firewire/fw-ohci.c | 51 ++++++++++++++----------------
drivers/firewire/fw-transaction.c | 8 ++--
4 files changed, 57 insertions(+), 58 deletions(-)
Index: linux/drivers/firewire/fw-cdev.c
===================================================================
--- linux.orig/drivers/firewire/fw-cdev.c
+++ linux/drivers/firewire/fw-cdev.c
@@ -169,13 +169,13 @@ dequeue_event(struct client *client, cha
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, cha
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, un
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, un
return -EFAULT;
}
- return retval;
+ return ret;
}
static long
@@ -1014,7 +1014,7 @@ static int fw_device_op_mmap(struct file
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
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)
Index: linux/drivers/firewire/fw-iso.c
===================================================================
--- linux.orig/drivers/firewire/fw-iso.c
+++ linux/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
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;
}
Index: linux/drivers/firewire/fw-transaction.c
===================================================================
--- linux.orig/drivers/firewire/fw-transaction.c
+++ linux/drivers/firewire/fw-transaction.c
@@ -943,11 +943,11 @@ static struct fw_descriptor model_id_des
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) {
Index: linux/drivers/firewire/fw-ohci.c
===================================================================
--- linux.orig/drivers/firewire/fw-ohci.c
+++ linux/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,
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
{
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
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
* 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_
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_
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 *car
#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 *car
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 *car
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
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
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
*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 *ba
{
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 = {
--
Stefan Richter
-=====-==--- ==-- -===-
http://arcgraph.de/sr/
--
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