summaryrefslogtreecommitdiff
path: root/drivers/misc/vmw_vmci/vmci_doorbell.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc/vmw_vmci/vmci_doorbell.c')
-rw-r--r--drivers/misc/vmw_vmci/vmci_doorbell.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_doorbell.c b/drivers/misc/vmw_vmci/vmci_doorbell.c
index a8cee33ae8d2..b3fa738ae005 100644
--- a/drivers/misc/vmw_vmci/vmci_doorbell.c
+++ b/drivers/misc/vmw_vmci/vmci_doorbell.c
@@ -431,6 +431,12 @@ int vmci_doorbell_create(struct vmci_handle *handle,
if (vmci_handle_is_invalid(*handle)) {
u32 context_id = vmci_get_context_id();
+ if (context_id == VMCI_INVALID_ID) {
+ pr_warn("Failed to get context ID\n");
+ result = VMCI_ERROR_NO_RESOURCES;
+ goto free_mem;
+ }
+
/* Let resource code allocate a free ID for us */
new_handle = vmci_make_handle(context_id, VMCI_INVALID_ID);
} else {
@@ -525,7 +531,7 @@ int vmci_doorbell_destroy(struct vmci_handle handle)
entry = container_of(resource, struct dbell_entry, resource);
- if (vmci_guest_code_active()) {
+ if (!hlist_unhashed(&entry->node)) {
int result;
dbell_index_table_remove(entry);