component: convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/base/component.c b/drivers/base/component.c
index e8d676f..ddcea87 100644 (file)
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -85,17 +85,7 @@ static int component_devices_show(struct seq_file *s, void *data)
        return 0;
 }
 
-static int component_devices_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, component_devices_show, inode->i_private);
-}
-
-static const struct file_operations component_devices_fops = {
-       .open = component_devices_open,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(component_devices);
 
 static int __init component_debug_init(void)
 {