A NULL pointer can be returned by vmci_ctx_get(). Thus add a
corresponding check so that a NULL pointer dereference will
be avoided in vmci_ctx_put().
Signed-off-by: Xiyu Yang <[email protected]>
Signed-off-by: Xin Tan <[email protected]>
---
drivers/misc/vmw_vmci/vmci_queue_pair.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmci/vmci_queue_pair.c
index 8531ae781195..032617101ebc 100644
--- a/drivers/misc/vmw_vmci/vmci_queue_pair.c
+++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c
@@ -1859,7 +1859,8 @@ static int qp_detatch_host_work(struct vmci_handle handle)
result = vmci_qp_broker_detach(handle, context);
- vmci_ctx_put(context);
+ if (context)
+ vmci_ctx_put(context);
return result;
}
--
2.7.4