diff options
Diffstat (limited to 'drivers/misc/vmw_vmci/vmci_host.c')
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_host.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c index 83e0c95d2..5acbf384f 100644 --- a/drivers/misc/vmw_vmci/vmci_host.c +++ b/drivers/misc/vmw_vmci/vmci_host.c @@ -169,10 +169,16 @@ static int vmci_host_close(struct inode *inode, struct file *filp) static __poll_t vmci_host_poll(struct file *filp, poll_table *wait) { struct vmci_host_dev *vmci_host_dev = filp->private_data; - struct vmci_ctx *context = vmci_host_dev->context; + struct vmci_ctx *context; __poll_t mask = 0; if (vmci_host_dev->ct_type == VMCIOBJ_CONTEXT) { + /* + * Read context only if ct_type == VMCIOBJ_CONTEXT to make + * sure that context is initialized + */ + context = vmci_host_dev->context; + /* Check for VMCI calls to this VM context. */ if (wait) poll_wait(filp, &context->host_context.wait_queue, |