1 files changed, 9 insertions, 2 deletions

diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index eb6a2ef5f82e..a9550dca3e4b 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -427,7 +427,7 @@ static struct notifier_block cmm_power_notifier = {
         .notifier_call = cmm_power_event,
 };
 
-static int cmm_init(void)
+static int __init cmm_init(void)
 {
         int rc = -ENOMEM;
 
@@ -435,6 +435,13 @@ static int cmm_init(void)
         if (!cmm_sysctl_header)
                 goto out_sysctl;
 #ifdef CONFIG_CMM_IUCV
+        /* convert sender to uppercase characters */
+        if (sender) {
+                int len = strlen(sender);
+                while (len--)
+                        sender[len] = toupper(sender[len]);
+        }
+
         rc = smsg_register_callback(SMSG_PREFIX, cmm_smsg_target);
         if (rc < 0)
                 goto out_smsg;
@@ -467,7 +474,7 @@ out_sysctl:
 }
 module_init(cmm_init);
 
-static void cmm_exit(void)
+static void __exit cmm_exit(void)
 {
         unregister_sysctl_table(cmm_sysctl_header);
 #ifdef CONFIG_CMM_IUCV