From 82f3a79bc6b50ab82744ebc32efba31c78dbccf7 Mon Sep 17 00:00:00 2001
From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Thu, 26 Mar 2009 15:23:54 +0100
Subject: [PATCH] [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>
---
drivers/char/hvc_iucv.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/char/hvc_iucv.c b/drivers/char/hvc_iucv.c
index a53496828b769..146be5a609478 100644
--- 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),
--
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