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| author | Steve French <sfrench@us.ibm.com> | 2008-03-01 18:29:55 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-03-01 18:29:55 +0000 |
| commit | 0dbd888936a23514716b8d944775bc56f731363a (patch) | |
| tree | a2c60cdc45bdcbed47680731fa8188bffe58c098 /drivers/firewire/fw-cdev.c | |
| parent | 0b442d2c28479332610c46e1a74e5638ab63a97d (diff) | |
| parent | d395991c117d43bfca97101a931a41d062a93852 (diff) | |
| download | kernel-crypto-0dbd888936a23514716b8d944775bc56f731363a.tar.gz kernel-crypto-0dbd888936a23514716b8d944775bc56f731363a.tar.xz kernel-crypto-0dbd888936a23514716b8d944775bc56f731363a.zip | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/firewire/fw-cdev.c')
| -rw-r--r-- | drivers/firewire/fw-cdev.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c index 7e73cbaa412..46bc197a047 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); |