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[S390] cmm, smsgiucv_app: convert sender to uppercase

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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 <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
This commit is contained in:
Hendrik Brueckner 2010-08-09 18:12:56 +02:00 • committed by Martin Schwidefsky
commit 41b4287677
2 changed files with 14 additions and 0 deletions
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7
arch/s390/mm/cmm.c
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@ -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;