openvzRegister: Check for error return

A recent change to openvz_driver.c caused Coverity to make additional
comparisons and find that the openvzRegister() was not checking the
status of virRegisterDriver() call like other callers and thus generated
a CHECKED_RETURN condition

diff --git a/src/openvz/openvz_driver.c b/src/openvz/openvz_driver.c
index 393f397568120fe3d436b85aef3bd5236ce0eaab..c10fa05d49b98b9db4c8b086b129a8d4fce62964 100644 (file)
--- a/src/openvz/openvz_driver.c
+++ b/src/openvz/openvz_driver.c
@@ -2239,6 +2239,7 @@ static virDriver openvzDriver = {
 };
 
 int openvzRegister(void) {
-    virRegisterDriver(&openvzDriver);
+    if (virRegisterDriver(&openvzDriver) < 0)
+        return -1;
     return 0;
 }