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authorDavid S. Miller <davem@davemloft.net>2008-03-18 00:37:55 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-18 00:37:55 -0700
commit577f99c1d08cf9cbdafd4e858dd13ff04d855090 (patch)
tree0f726bbda9b18d311d4c95198bbd96cb7ac01db0 /drivers/firewire/fw-cdev.c
parent26c0f03f6b77c513cb7bc37b73a06819bdbb791b (diff)
parent2f633928cbba8a5858bb39b11e7219a41b0fbef5 (diff)
downloadop-kernel-dev-577f99c1d08cf9cbdafd4e858dd13ff04d855090.zip
op-kernel-dev-577f99c1d08cf9cbdafd4e858dd13ff04d855090.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/rt2x00/rt2x00dev.c net/8021q/vlan_dev.c
Diffstat (limited to 'drivers/firewire/fw-cdev.c')
-rw-r--r--drivers/firewire/fw-cdev.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c
index 7e73cba..46bc197 100644
--- a/drivers/firewire/fw-cdev.c
+++ b/drivers/firewire/fw-cdev.c
@@ -109,15 +109,17 @@ static int fw_device_op_open(struct inode *inode, struct file *file)
struct client *client;
unsigned long flags;
- device = fw_device_from_devt(inode->i_rdev);
+ device = fw_device_get_by_devt(inode->i_rdev);
if (device == NULL)
return -ENODEV;
client = kzalloc(sizeof(*client), GFP_KERNEL);
- if (client == NULL)
+ if (client == NULL) {
+ fw_device_put(device);
return -ENOMEM;
+ }
- client->device = fw_device_get(device);
+ client->device = device;
INIT_LIST_HEAD(&client->event_list);
INIT_LIST_HEAD(&client->resource_list);
spin_lock_init(&client->lock);
@@ -644,6 +646,10 @@ static int ioctl_create_iso_context(struct client *client, void *buffer)
struct fw_cdev_create_iso_context *request = buffer;
struct fw_iso_context *context;
+ /* We only support one context at this time. */
+ if (client->iso_context != NULL)
+ return -EBUSY;
+
if (request->channel > 63)
return -EINVAL;
@@ -790,8 +796,9 @@ static int ioctl_start_iso(struct client *client, void *buffer)
{
struct fw_cdev_start_iso *request = buffer;
- if (request->handle != 0)
+ if (client->iso_context == NULL || request->handle != 0)
return -EINVAL;
+
if (client->iso_context->type == FW_ISO_CONTEXT_RECEIVE) {
if (request->tags == 0 || request->tags > 15)
return -EINVAL;
@@ -808,7 +815,7 @@ static int ioctl_stop_iso(struct client *client, void *buffer)
{
struct fw_cdev_stop_iso *request = buffer;
- if (request->handle != 0)
+ if (client->iso_context == NULL || request->handle != 0)
return -EINVAL;
return fw_iso_context_stop(client->iso_context);
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