datapath: Fix ODP_PORT_DEL handling of bad user memory read.

diff --git a/datapath/datapath.c b/datapath/datapath.c
index e1fd21f..7299cd1 100644 (file)
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -1355,7 +1355,7 @@ static long openvswitch_ioctl(struct file *f, unsigned int cmd,
        case ODP_PORT_DEL:
                err = get_user(port_no, (int __user *)argp);
                if (err)
-                       break;
+                       return err;
                return del_port(dp_idx, port_no);
        }