char: virtio: Change to use DEFINE_SHOW_ATTRIBUTE macro
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/char/virtio_console.c b/drivers/char/virtio_console.c
index 5b5b5d7..fbeb719 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1309,7 +1309,7 @@
.attrs = port_sysfs_entries,
};
-static int debugfs_show(struct seq_file *s, void *data)
+static int port_debugfs_show(struct seq_file *s, void *data)
{
struct port *port = s->private;
@@ -1327,18 +1327,7 @@
return 0;
}
-static int debugfs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, debugfs_show, inode->i_private);
-}
-
-static const struct file_operations port_debugfs_ops = {
- .owner = THIS_MODULE,
- .open = debugfs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(port_debugfs);
static void set_console_size(struct port *port, u16 rows, u16 cols)
{
@@ -1490,7 +1479,7 @@
port->debugfs_file = debugfs_create_file(debugfs_name, 0444,
pdrvdata.debugfs_dir,
port,
- &port_debugfs_ops);
+ &port_debugfs_fops);
}
return 0;
