[S390] hvc_iucv: Update and add missing kernel messages
If the hvc_iucv= kernel parameter specifies a value that is not valid, display an error message. Minor changes to existing kernel messages. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -885,7 +885,7 @@ static int __init hvc_iucv_init(void)
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unsigned int i;
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unsigned int i;
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if (!MACHINE_IS_VM) {
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if (!MACHINE_IS_VM) {
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pr_info("The z/VM IUCV HVC device driver cannot "
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pr_notice("The z/VM IUCV HVC device driver cannot "
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"be used without z/VM\n");
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"be used without z/VM\n");
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return -ENODEV;
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return -ENODEV;
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}
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}
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@ -893,8 +893,11 @@ static int __init hvc_iucv_init(void)
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if (!hvc_iucv_devices)
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if (!hvc_iucv_devices)
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return -ENODEV;
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return -ENODEV;
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if (hvc_iucv_devices > MAX_HVC_IUCV_LINES)
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if (hvc_iucv_devices > MAX_HVC_IUCV_LINES) {
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pr_err("%lu is not a valid value for the hvc_iucv= "
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"kernel parameter\n", hvc_iucv_devices);
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return -EINVAL;
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return -EINVAL;
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}
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hvc_iucv_buffer_cache = kmem_cache_create(KMSG_COMPONENT,
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hvc_iucv_buffer_cache = kmem_cache_create(KMSG_COMPONENT,
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sizeof(struct iucv_tty_buffer),
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sizeof(struct iucv_tty_buffer),
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