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Diffstat (limited to 'arch/s390/mm/cmm.c')
-rw-r--r--arch/s390/mm/cmm.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index a9550dca3e4..c66ffd8dbbb 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);