dcdbas: remove a redundant smi_data_buf_free in dcdbas_exit

smi_data_buf_free is called twice in current implementation.
The second call simply return because smi_data_buf is set to NULL in first call.
This patch removes the second smi_data_buf_free call.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index aa9bc9e980e1..69ad529d92fb 100644
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -634,9 +634,6 @@ static void __exit dcdbas_exit(void)
          * before platform_device_unregister
          */
         unregister_reboot_notifier(&dcdbas_reboot_nb);
-        smi_data_buf_free();
-        platform_device_unregister(dcdbas_pdev);
-        platform_driver_unregister(&dcdbas_driver);
 
         /*
          * We have to free the buffer here instead of dcdbas_remove
@@ -645,6 +642,8 @@ static void __exit dcdbas_exit(void)
          * released.
          */
         smi_data_buf_free();
+        platform_device_unregister(dcdbas_pdev);
+        platform_driver_unregister(&dcdbas_driver);
 }
 
 module_init(dcdbas_init);