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server: Allow queuing IRPs with no file associated. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2019-03-25 14:38:19 +01:00 committed by Alexandre Julliard
parent 94c1ef0ee1
commit 4db5879742
1 changed files with 17 additions and 12 deletions
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29
server/device.c
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@ -334,7 +334,7 @@ static struct irp_call *create_irp( struct device_file *file, const irp_params_t
{
struct irp_call *irp;
if (!file->device->manager) /* it has been deleted */
if (file && !file->device->manager) /* it has been deleted */
{
set_error( STATUS_FILE_DELETED );
return NULL;
@ -342,7 +342,7 @@ static struct irp_call *create_irp( struct device_file *file, const irp_params_t
if ((irp = alloc_object( &irp_call_ops )))
{
irp->file = (struct device_file *)grab_object( file );
irp->file = file ? (struct device_file *)grab_object( file ) : NULL;
irp->thread = NULL;
irp->async = NULL;
irp->params = *params;
@ -411,15 +411,11 @@ static void device_destroy( struct object *obj )
if (device->manager) list_remove( &device->entry );
}
static void add_irp_to_queue( struct device_file *file, struct irp_call *irp, struct thread *thread )
static void add_irp_to_queue( struct device_manager *manager, struct irp_call *irp, struct thread *thread )
{
struct device_manager *manager = file->device->manager;
assert( manager );
grab_object( irp ); /* grab reference for queued irp */
irp->thread = thread ? (struct thread *)grab_object( thread ) : NULL;
list_add_tail( &file->requests, &irp->dev_entry );
if (irp->file) list_add_tail( &irp->file->requests, &irp->dev_entry );
list_add_tail( &manager->requests, &irp->mgr_entry );
if (list_head( &manager->requests ) == &irp->mgr_entry) wake_up( &manager->obj, 0 ); /* first one */
}
@ -468,7 +464,7 @@ static struct object *device_open_file( struct object *obj, unsigned int access,
if ((irp = create_irp( file, &params, NULL )))
{
add_irp_to_queue( file, irp, NULL );
add_irp_to_queue( device->manager, irp, NULL );
release_object( irp );
}
}
@ -504,7 +500,7 @@ static int device_file_close_handle( struct object *obj, struct process *process
if ((irp = create_irp( file, &params, NULL )))
{
add_irp_to_queue( file, irp, NULL );
add_irp_to_queue( file->device->manager, irp, NULL );
release_object( irp );
}
}
@ -557,7 +553,7 @@ static int queue_irp( struct device_file *file, const irp_params_t *params, stru
fd_queue_async( file->fd, async, ASYNC_TYPE_WAIT );
irp->async = (struct async *)grab_object( async );
add_irp_to_queue( file, irp, current );
add_irp_to_queue( file->device->manager, irp, current );
release_object( irp );
set_error( STATUS_PENDING );
return 1;
@ -711,6 +707,14 @@ static void device_manager_destroy( struct object *obj )
struct device *device = LIST_ENTRY( ptr, struct device, entry );
delete_device( device );
}
while ((ptr = list_head( &manager->requests )))
{
struct irp_call *irp = LIST_ENTRY( ptr, struct irp_call, mgr_entry );
list_remove( &irp->mgr_entry );
assert( !irp->file && !irp->async );
release_object( irp );
}
}
static struct device_manager *create_device_manager(void)
@ -837,13 +841,14 @@ DECL_HANDLER(get_next_device_request)
reply->in_size = iosb->in_size;
reply->out_size = iosb->out_size;
if (iosb->in_size > get_reply_max_size()) set_error( STATUS_BUFFER_OVERFLOW );
else if ((reply->next = alloc_handle( current->process, irp, 0, 0 )))
else if (!irp->file || (reply->next = alloc_handle( current->process, irp, 0, 0 )))
{
set_reply_data_ptr( iosb->in_data, iosb->in_size );
iosb->in_data = NULL;
iosb->in_size = 0;
list_remove( &irp->mgr_entry );
list_init( &irp->mgr_entry );
if (!irp->file) release_object( irp ); /* no longer on manager queue */
}
}
else set_error( STATUS_PENDING );