Commit 82f3a79b authored by Hendrik Brueckner's avatar Hendrik Brueckner Committed by Martin Schwidefsky
Browse files

[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: default avatarHendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 5168ce2c

drivers/char/hvc_iucv.c

+5 −2
Original line number Diff line number Diff line
@@ -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),