staging: unisys: use local variable in cleanup

the dev_t was being stored in visorchipset_platform_device.dev.devt
while initializing the module. so pass that value as an argument to
cleanup() so that it can use this local variable instead of the global
variable.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/visorchipset/file.c b/drivers/staging/unisys/visorchipset/file.c
index 6ebe7f7..257cfdd 100644 (file)
--- a/drivers/staging/unisys/visorchipset/file.c
+++ b/drivers/staging/unisys/visorchipset/file.c
@@ -73,13 +73,13 @@ visorchipset_file_init(dev_t major_dev, struct visorchannel **controlvm_channel)
 }
 
 void
-visorchipset_file_cleanup(void)
+visorchipset_file_cleanup(dev_t major_dev)
 {
        if (file_cdev.ops != NULL)
                cdev_del(&file_cdev);
        file_cdev.ops = NULL;
-       if (MAJOR(majordev) >= 0) {
-               unregister_chrdev_region(majordev, 1);
+       if (MAJOR(major_dev) >= 0) {
+               unregister_chrdev_region(major_dev, 1);
                majordev = MKDEV(0, 0);
        }
 }

diff --git a/drivers/staging/unisys/visorchipset/file.h b/drivers/staging/unisys/visorchipset/file.h
index dc7a195..51f7699 100644 (file)
--- a/drivers/staging/unisys/visorchipset/file.h
+++ b/drivers/staging/unisys/visorchipset/file.h
@@ -22,6 +22,6 @@
 
 int visorchipset_file_init(dev_t majorDev,
                           struct visorchannel **pControlVm_channel);
-void visorchipset_file_cleanup(void);
+void visorchipset_file_cleanup(dev_t major_dev);
 
 #endif

diff --git a/drivers/staging/unisys/visorchipset/visorchipset_main.c b/drivers/staging/unisys/visorchipset/visorchipset_main.c
index 9c8605d..f2663d2 100644 (file)
--- a/drivers/staging/unisys/visorchipset/visorchipset_main.c
+++ b/drivers/staging/unisys/visorchipset/visorchipset_main.c
@@ -2278,7 +2278,7 @@ visorchipset_exit(void)
 
        visorchannel_destroy(controlvm_channel);
 
-       visorchipset_file_cleanup();
+       visorchipset_file_cleanup(visorchipset_platform_device.dev.devt);
        POSTCODE_LINUX_2(DRIVER_EXIT_PC, POSTCODE_SEVERITY_INFO);
 }