datapath: Add ref counting for flows.

[openvswitch] / datapath / vport-gre.c

diff --git a/datapath/vport-gre.c b/datapath/vport-gre.c
index 223644e27194fecbe8e918300554102d765816c0..0a7092f96646c885a4920acaeb2a570b8c60d857 100644 (file)
--- a/datapath/vport-gre.c
+++ b/datapath/vport-gre.c
@@ -6,6 +6,8 @@
  * kernel, by Linus Torvalds and others.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/if.h>
 #include <linux/skbuff.h>
 #include <linux/ip.h>
@@ -345,7 +347,7 @@ static int gre_init(void)
 
        err = inet_add_protocol(&gre_protocol_handlers, IPPROTO_GRE);
        if (err) {
-               printk(KERN_WARNING "openvswitch: cannot register gre protocol handler\n");
+               pr_warn("cannot register gre protocol handler\n");
                goto out;
        }