Staging: quickstart: acpi_status is unsigned

acpi_bus_register_driver() returns an int, not acpi_status.  It returns
zero on success and negative error codes on failure, but acpi_status is
unsigned.  We can just use "ret" here.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/quickstart/quickstart.c b/drivers/staging/quickstart/quickstart.c
index 66122479d52936e6d4ed16e37ee5582e78eb731c..33c09fad185699e08adea834672642e81c1b975c 100644 (file)
--- a/drivers/staging/quickstart/quickstart.c
+++ b/drivers/staging/quickstart/quickstart.c
@@ -398,16 +398,15 @@ static int __init quickstart_init_input(void)
 static int __init quickstart_init(void)
 {
        int ret;
-       acpi_status status = 0;
 
        /* ACPI Check */
        if (acpi_disabled)
                return -ENODEV;
 
        /* ACPI driver register */
-       status = acpi_bus_register_driver(&quickstart_acpi_driver);
-       if (status < 0)
-               return -ENODEV;
+       ret = acpi_bus_register_driver(&quickstart_acpi_driver);
+       if (ret)
+               return ret;
 
        /* If existing bus with no devices */
        if (!quickstart_data.btn_lst) {