backlight: progear_bl - Use platform_device_register_simple()

Use platform_device_register_simple() and also fix error
handling when platform_device_alloc() fails (progearbl_driver
is left registered).

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

1 files changed, 8 insertions, 12 deletions

diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c
index 15fb4d58b5bc..9edaf24fd82d 100644
--- a/drivers/video/backlight/progear_bl.c
+++ b/drivers/video/backlight/progear_bl.c
@@ -119,20 +119,16 @@ static int __init progearbl_init(void)
 {
         int ret = platform_driver_register(&progearbl_driver);
 
-        if (!ret) {
-                progearbl_device = platform_device_alloc("progear-bl", -1);
-                if (!progearbl_device)
-                        return -ENOMEM;
-
-                ret = platform_device_add(progearbl_device);
-
-                if (ret) {
-                        platform_device_put(progearbl_device);
-                        platform_driver_unregister(&progearbl_driver);
-                }
+        if (ret)
+                return ret;
+        progearbl_device = platform_device_register_simple("progear-bl", -1,
+                                                                NULL, 0);
+        if (IS_ERR(progearbl_device)) {
+                platform_driver_unregister(&progearbl_driver);
+                return PTR_ERR(progearbl_device);
         }
 
-        return ret;
+        return 0;
 }
 
 static void __exit progearbl_exit(void)