qemuSecurityChownCallback: Remove 'cleanup' section

Treat the shortcut for chowning local files as a stand-alone section
by returning success from it and refactor the rest so that the cleanup
section is inline.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NPavel Mores <pmores@redhat.com>

src/qemu/qemu_driver.c

@@ -268,24 +268,20 @@ qemuSecurityChownCallback(const virStorageSource *src,
         }
 
         if (chown(src->path, uid, gid) < 0)
-            goto cleanup;
-    } else {
-        if (!(cpy = virStorageSourceCopy(src, false)))
-            goto cleanup;
-
-        /* src file init reports errors, return -2 on failure */
-        if (virStorageFileInit(cpy) < 0) {
-            ret = -2;
-            goto cleanup;
-        }
+            return -1;
 
-        if (virStorageFileChown(cpy, uid, gid) < 0)
-            goto cleanup;
+        return 0;
     }
 
-    ret = 0;
+    if (!(cpy = virStorageSourceCopy(src, false)))
+        return -1;
+
+    /* src file init reports errors, return -2 on failure */
+    if (virStorageFileInit(cpy) < 0)
+        return -2;
+
+    ret = virStorageFileChown(cpy, uid, gid);
 
- cleanup:
     save_errno = errno;
     virStorageFileDeinit(cpy);
     errno = save_errno;