[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>

diff --git a/drivers/char/hvc_iucv.c b/drivers/char/hvc_iucv.c
index a534968..146be5a 100644 (file)
--- a/drivers/char/hvc_iucv.c
+++ b/drivers/char/hvc_iucv.c
@@ -885,7 +885,7 @@ static int __init hvc_iucv_init(void)
        unsigned int i;
 
        if (!MACHINE_IS_VM) {
-               pr_info("The z/VM IUCV HVC device driver cannot "
+               pr_notice("The z/VM IUCV HVC device driver cannot "
                           "be used without z/VM\n");
                return -ENODEV;
        }
@@ -893,8 +893,11 @@ static int __init hvc_iucv_init(void)
        if (!hvc_iucv_devices)
                return -ENODEV;
 
-       if (hvc_iucv_devices > MAX_HVC_IUCV_LINES)
+       if (hvc_iucv_devices > MAX_HVC_IUCV_LINES) {
+               pr_err("%lu is not a valid value for the hvc_iucv= "
+                       "kernel parameter\n", hvc_iucv_devices);
                return -EINVAL;
+       }
 
        hvc_iucv_buffer_cache = kmem_cache_create(KMSG_COMPONENT,
                                           sizeof(struct iucv_tty_buffer),