staging: fwserial: 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/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c
index 173f451..3e416f5 100644 (file)
--- a/drivers/staging/fwserial/fwserial.c
+++ b/drivers/staging/fwserial/fwserial.c
@@ -1458,7 +1458,7 @@ static int fwtty_proc_show(struct seq_file *m, void *v)
        return 0;
 }
 
-static int fwtty_debugfs_stats_show(struct seq_file *m, void *v)
+static int fwtty_stats_show(struct seq_file *m, void *v)
 {
        struct fw_serial *serial = m->private;
        struct fwtty_port *port;
@@ -1476,8 +1476,9 @@ static int fwtty_debugfs_stats_show(struct seq_file *m, void *v)
        }
        return 0;
 }
+DEFINE_SHOW_ATTRIBUTE(fwtty_stats);
 
-static int fwtty_debugfs_peers_show(struct seq_file *m, void *v)
+static int fwtty_peers_show(struct seq_file *m, void *v)
 {
        struct fw_serial *serial = m->private;
        struct fwtty_peer *peer;
@@ -1491,32 +1492,7 @@ static int fwtty_debugfs_peers_show(struct seq_file *m, void *v)
        rcu_read_unlock();
        return 0;
 }
-
-static int fwtty_stats_open(struct inode *inode, struct file *fp)
-{
-       return single_open(fp, fwtty_debugfs_stats_show, inode->i_private);
-}
-
-static int fwtty_peers_open(struct inode *inode, struct file *fp)
-{
-       return single_open(fp, fwtty_debugfs_peers_show, inode->i_private);
-}
-
-static const struct file_operations fwtty_stats_fops = {
-       .owner =        THIS_MODULE,
-       .open =         fwtty_stats_open,
-       .read =         seq_read,
-       .llseek =       seq_lseek,
-       .release =      single_release,
-};
-
-static const struct file_operations fwtty_peers_fops = {
-       .owner =        THIS_MODULE,
-       .open =         fwtty_peers_open,
-       .read =         seq_read,
-       .llseek =       seq_lseek,
-       .release =      single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(fwtty_peers);
 
 static const struct tty_port_operations fwtty_port_ops = {
        .dtr_rts =              fwtty_port_dtr_rts,