[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 (file)
--- 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;

diff --git a/drivers/s390/net/smsgiucv_app.c b/drivers/s390/net/smsgiucv_app.c
index 1376887..4d2ea40 100644 (file)
--- a/drivers/s390/net/smsgiucv_app.c
+++ b/drivers/s390/net/smsgiucv_app.c
@@ -180,6 +180,13 @@ static int __init smsgiucv_app_init(void)
                goto fail_put_driver;
        }
 
+       /* convert sender to uppercase characters */
+       if (sender) {
+               int len = strlen(sender);
+               while (len--)
+                       sender[len] = toupper(sender[len]);
+       }
+
        /* register with the smsgiucv device driver */
        rc = smsg_register_callback(SMSG_PREFIX, smsg_app_callback);
        if (rc) {