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-rw-r--r--arch/s390/mm/cmm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 4bddf8d3a150..a9550dca3e4b 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -435,6 +435,13 @@ static int __init 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;