[S390] cmm, smsgiucv_app: convert sender to uppercase
The sender kernel parameter contains a z/VM user ID where
alphabetic characters must be specified in uppercase.
Allow users to specify lowercase characters and convert the
sender string to uppercase at module initialization.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 4bddf8d..a9550dc 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -435,6 +435,13 @@
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;