ipconfig: 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: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 5575776..208a5b4 100644 (file)
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -1361,18 +1361,7 @@ static int ntp_servers_seq_show(struct seq_file *seq, void *v)
        }
        return 0;
 }
-
-static int ntp_servers_seq_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, ntp_servers_seq_show, NULL);
-}
-
-static const struct file_operations ntp_servers_seq_fops = {
-       .open           = ntp_servers_seq_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(ntp_servers_seq);
 #endif /* CONFIG_PROC_FS */
 
 /*