1 files changed, 6 insertions, 1 deletions

diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index a9550dca3e4b..c66ffd8dbbb7 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -23,7 +23,10 @@
 #include <asm/pgalloc.h>
 #include <asm/diag.h>
 
-static char *sender = "VMRMSVM";
+#ifdef CONFIG_CMM_IUCV
+static char *cmm_default_sender = "VMRMSVM";
+#endif
+static char *sender;
 module_param(sender, charp, 0400);
 MODULE_PARM_DESC(sender,
                  "Guest name that may send SMSG messages (default VMRMSVM)");
@@ -440,6 +443,8 @@ static int __init cmm_init(void)
                 int len = strlen(sender);
                 while (len--)
                         sender[len] = toupper(sender[len]);
+        } else {
+                sender = cmm_default_sender;
         }
 
         rc = smsg_register_callback(SMSG_PREFIX, cmm_smsg_target);