[WATCHDOG] alim remove pci_find_device

Convert pci_find_device to pci_get_device + pci_dev_put
in alim watchdog cards' drivers (refcounting).

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@osdl.org>

1 files changed, 10 insertions, 5 deletions

diff --git a/drivers/char/watchdog/alim7101_wdt.c b/drivers/char/watchdog/alim7101_wdt.c
index ffd7684f999b..383f9bf6810c 100644
--- a/drivers/char/watchdog/alim7101_wdt.c
+++ b/drivers/char/watchdog/alim7101_wdt.c
@@ -333,6 +333,7 @@ static void __exit alim7101_wdt_unload(void)
         /* Deregister */
         misc_deregister(&wdt_miscdev);
         unregister_reboot_notifier(&wdt_notifier);
+        pci_dev_put(alim7101_pmu);
 }
 
 static int __init alim7101_wdt_init(void)
@@ -342,7 +343,8 @@ static int __init alim7101_wdt_init(void)
         char tmp;
 
         printk(KERN_INFO PFX "Steve Hill <steve@navaho.co.uk>.\n");
-        alim7101_pmu = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,NULL);
+        alim7101_pmu = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
+                NULL);
         if (!alim7101_pmu) {
                 printk(KERN_INFO PFX "ALi M7101 PMU not present - WDT not set\n");
                 return -EBUSY;
@@ -351,21 +353,23 @@ static int __init alim7101_wdt_init(void)
         /* Set the WDT in the PMU to 1 second */
         pci_write_config_byte(alim7101_pmu, ALI_7101_WDT, 0x02);
 
-        ali1543_south = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
+        ali1543_south = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
+                NULL);
         if (!ali1543_south) {
                 printk(KERN_INFO PFX "ALi 1543 South-Bridge not present - WDT not set\n");
-                return -EBUSY;
+                goto err_out;
         }
         pci_read_config_byte(ali1543_south, 0x5e, &tmp);
+        pci_dev_put(ali1543_south);
         if ((tmp & 0x1e) == 0x00) {
                 if (!use_gpio) {
                         printk(KERN_INFO PFX "Detected old alim7101 revision 'a1d'.  If this is a cobalt board, set the 'use_gpio' module parameter.\n");
-                        return -EBUSY;
+                        goto err_out;
                 } 
                 nowayout = 1;
         } else if ((tmp & 0x1e) != 0x12 && (tmp & 0x1e) != 0x00) {
                 printk(KERN_INFO PFX "ALi 1543 South-Bridge does not have the correct revision number (???1001?) - WDT not set\n");
-                return -EBUSY;
+                goto err_out;
         }
 
         if(timeout < 1 || timeout > 3600) /* arbitrary upper limit */
@@ -404,6 +408,7 @@ static int __init alim7101_wdt_init(void)
 err_out_miscdev:
         misc_deregister(&wdt_miscdev);
 err_out:
+        pci_dev_put(alim7101_pmu);
         return rc;
 }