diff options
Diffstat (limited to 'drivers/firewire/core-cdev.c')
| -rw-r--r-- | drivers/firewire/core-cdev.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index 31863cf8b6c4..f40098dec14b 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -50,8 +50,9 @@ /* * ABI version history is documented in linux/firewire-cdev.h. */ -#define FW_CDEV_KERNEL_VERSION 4 -#define FW_CDEV_VERSION_EVENT_REQUEST2 4 +#define FW_CDEV_KERNEL_VERSION 4 +#define FW_CDEV_VERSION_EVENT_REQUEST2 4 +#define FW_CDEV_VERSION_ALLOCATE_REGION_END 4 struct client { u32 version; @@ -773,7 +774,11 @@ static int ioctl_allocate(struct client *client, union ioctl_arg *arg) return -ENOMEM; region.start = a->offset; - region.end = a->offset + a->length; + if (client->version < FW_CDEV_VERSION_ALLOCATE_REGION_END) + region.end = a->offset + a->length; + else + region.end = a->region_end; + r->handler.length = a->length; r->handler.address_callback = handle_request; r->handler.callback_data = r; @@ -785,6 +790,7 @@ static int ioctl_allocate(struct client *client, union ioctl_arg *arg) kfree(r); return ret; } + a->offset = r->handler.offset; r->resource.release = release_address_handler; ret = add_client_resource(client, &r->resource, GFP_KERNEL); |