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path: root/drivers/misc/vmw_vmci/vmci_context.c
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Diffstat (limited to 'drivers/misc/vmw_vmci/vmci_context.c')
-rw-r--r--drivers/misc/vmw_vmci/vmci_context.c56
1 files changed, 2 insertions, 54 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_context.c b/drivers/misc/vmw_vmci/vmci_context.c
index f22b44827e92..8069d271ed81 100644
--- a/drivers/misc/vmw_vmci/vmci_context.c
+++ b/drivers/misc/vmw_vmci/vmci_context.c
@@ -251,6 +251,8 @@ static int ctx_fire_notification(u32 context_id, u32 priv_flags)
ev.msg.hdr.src = vmci_make_handle(VMCI_HYPERVISOR_CONTEXT_ID,
VMCI_CONTEXT_RESOURCE_ID);
ev.msg.hdr.payload_size = sizeof(ev) - sizeof(ev.msg.hdr);
+ memset((char*)&ev + sizeof(ev.msg.hdr), 0,
+ ev.msg.hdr.payload_size);
ev.msg.event_data.event = VMCI_EVENT_CTX_REMOVED;
ev.payload.context_id = context_id;
@@ -269,28 +271,6 @@ static int ctx_fire_notification(u32 context_id, u32 priv_flags)
}
/*
- * Returns the current number of pending datagrams. The call may
- * also serve as a synchronization point for the datagram queue,
- * as no enqueue operations can occur concurrently.
- */
-int vmci_ctx_pending_datagrams(u32 cid, u32 *pending)
-{
- struct vmci_ctx *context;
-
- context = vmci_ctx_get(cid);
- if (context == NULL)
- return VMCI_ERROR_INVALID_ARGS;
-
- spin_lock(&context->lock);
- if (pending)
- *pending = context->pending_datagrams;
- spin_unlock(&context->lock);
- vmci_ctx_put(context);
-
- return VMCI_SUCCESS;
-}
-
-/*
* Queues a VMCI datagram for the appropriate target VM context.
*/
int vmci_ctx_enqueue_datagram(u32 cid, struct vmci_datagram *dg)
@@ -992,38 +972,6 @@ int vmci_ctx_dbell_destroy(u32 context_id, struct vmci_handle handle)
}
/*
- * Unregisters all doorbell handles that were previously
- * registered with vmci_ctx_dbell_create.
- */
-int vmci_ctx_dbell_destroy_all(u32 context_id)
-{
- struct vmci_ctx *context;
- struct vmci_handle handle;
-
- if (context_id == VMCI_INVALID_ID)
- return VMCI_ERROR_INVALID_ARGS;
-
- context = vmci_ctx_get(context_id);
- if (context == NULL)
- return VMCI_ERROR_NOT_FOUND;
-
- spin_lock(&context->lock);
- do {
- struct vmci_handle_arr *arr = context->doorbell_array;
- handle = vmci_handle_arr_remove_tail(arr);
- } while (!vmci_handle_is_invalid(handle));
- do {
- struct vmci_handle_arr *arr = context->pending_doorbell_array;
- handle = vmci_handle_arr_remove_tail(arr);
- } while (!vmci_handle_is_invalid(handle));
- spin_unlock(&context->lock);
-
- vmci_ctx_put(context);
-
- return VMCI_SUCCESS;
-}
-
-/*
* Registers a notification of a doorbell handle initiated by the
* specified source context. The notification of doorbells are
* subject to the same isolation rules as datagram delivery. To