[PATCH] Remove redundant NULL checks before [kv]free - in drivers/

Remove redundant NULL chck before kfree + tiny CodingStyle cleanup for
drivers/

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c
index d63c3f4..9ef68cd 100644
--- a/drivers/video/au1100fb.c
+++ b/drivers/video/au1100fb.c
@@ -743,8 +743,7 @@
 {
 	driver_unregister(&au1100fb_driver);
 
-	if (drv_info.opt_mode)
-		kfree(drv_info.opt_mode);
+	kfree(drv_info.opt_mode);
 }
 
 module_init(au1100fb_init);