video/cx231xx: cleanup. remove unneed null checks
Commit Message
"dev" is never NULL here so there is no need to check.
Signed-off-by: Dan Carpenter <error27@gmail.com>
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@@ -95,10 +95,9 @@ int cx231xx_register_extension(struct cx231xx_ops *ops)
mutex_lock(&cx231xx_devlist_mutex);
mutex_lock(&cx231xx_extension_devlist_lock);
list_add_tail(&ops->next, &cx231xx_extension_devlist);
- list_for_each_entry(dev, &cx231xx_devlist, devlist) {
- if (dev)
- ops->init(dev);
- }
+ list_for_each_entry(dev, &cx231xx_devlist, devlist)
+ ops->init(dev);
+
printk(KERN_INFO DRIVER_NAME ": %s initialized\n", ops->name);
mutex_unlock(&cx231xx_extension_devlist_lock);
mutex_unlock(&cx231xx_devlist_mutex);
@@ -111,10 +110,8 @@ void cx231xx_unregister_extension(struct cx231xx_ops *ops)
struct cx231xx *dev = NULL;
mutex_lock(&cx231xx_devlist_mutex);
- list_for_each_entry(dev, &cx231xx_devlist, devlist) {
- if (dev)
- ops->fini(dev);
- }
+ list_for_each_entry(dev, &cx231xx_devlist, devlist)
+ ops->fini(dev);
mutex_lock(&cx231xx_extension_devlist_lock);
printk(KERN_INFO DRIVER_NAME ": %s removed\n", ops->name);