Char: cyclades, remove some global vars

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 9 deletions

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index c7e1433bf8ea..1fe0bb6c7ad7 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -818,9 +818,6 @@ static int cy_chip_offset[] = { 0x0000,
 
 /* PCI related definitions */
 
-static unsigned short cy_pci_nboard;
-static unsigned short cy_isa_nboard;
-static unsigned short cy_nboard;
 #ifdef CONFIG_PCI
 static struct pci_device_id cy_pci_dev_id[] __devinitdata = {
         { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Y_Lo) },      /* PCI < 1Mb */
@@ -5462,7 +5459,7 @@ static const struct tty_operations cy_ops = {
 
 static int __init cy_init(void)
 {
-        unsigned int i;
+        unsigned int i, nboards;
 
         cy_serial_driver = alloc_tty_driver(NR_PORTS);
         if (!cy_serial_driver)
@@ -5506,14 +5503,12 @@ static int __init cy_init(void)
            the cy_next_channel. */
 
         /* look for isa boards */
-        cy_isa_nboard = cy_detect_isa();
+        nboards = cy_detect_isa();
 
         /* look for pci boards */
-        cy_pci_nboard = cy_detect_pci();
-
-        cy_nboard = cy_isa_nboard + cy_pci_nboard;
+        nboards += cy_detect_pci();
 
-        return 0;
+        return nboards ? 0 : -ENODEV;
 }                               /* cy_init */
 
 static void __exit cy_cleanup_module(void)