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server: Ensure that IRP_MJ_CLOSE is queued only once. 

Client may alloc new handle inside IRP_MJ_CLOSE handler.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2019-04-25 14:54:58 +02:00 committed by Alexandre Julliard
parent 31f6f0eec2
commit a77a1a5433
1 changed files with 4 additions and 1 deletions
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5
server/device.c
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@ -171,6 +171,7 @@ struct device_file
struct device *device; /* device for this file */
struct fd *fd; /* file descriptor for irp */
client_ptr_t user_ptr; /* opaque ptr for client side */
int closed; /* closed file flag */
struct list entry; /* entry in device list */
struct list requests; /* list of pending irp requests */
};
@ -430,6 +431,7 @@ static struct object *device_open_file( struct object *obj, unsigned int access,
if (!(file = alloc_object( &device_file_ops ))) return NULL;
file->device = (struct device *)grab_object( device );
file->closed = 0;
file->user_ptr = 0;
list_init( &file->requests );
list_add_tail( &device->files, &file->entry );
@ -496,11 +498,12 @@ static int device_file_close_handle( struct object *obj, struct process *process
{
struct device_file *file = (struct device_file *)obj;
if (file->device->manager && obj->handle_count == 1) /* last handle */
if (!file->closed && file->device->manager && obj->handle_count == 1) /* last handle */
{
struct irp_call *irp;
irp_params_t params;
file->closed = 1;
memset( &params, 0, sizeof(params) );
params.close.major = IRP_MJ_CLOSE;