[NET]: Cleanup mis-usage of seq_release_private

These doesn't allocate memory and doesn't use seq->private. However
kfree() ignores NULL, so these are not the problem.

This patch just cleans these up.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: David S. Miller <davem@redhat.com>

net/ipv4/route.c

@@ -432,7 +432,7 @@ static struct file_operations rt_cpu_seq_fops = {
 	.open	 = rt_cpu_seq_open,
 	.read	 = seq_read,
 	.llseek	 = seq_lseek,
-	.release = seq_release_private,
+	.release = seq_release,
 };
 
 #endif /* CONFIG_PROC_FS */

net/irda/discovery.c

@@ -449,6 +449,6 @@ struct file_operations discovery_seq_fops = {
 	.open           = discovery_seq_open,
 	.read           = seq_read,
 	.llseek         = seq_lseek,
-	.release	= seq_release_private,
+	.release	= seq_release,
 };
 #endif

net/irda/ircomm/ircomm_core.c

@@ -62,7 +62,7 @@ static struct file_operations ircomm_proc_fops = {
 	.open           = ircomm_seq_open,
 	.read           = seq_read,
 	.llseek         = seq_lseek,
-	.release	= seq_release_private,
+	.release	= seq_release,
 };
 #endif /* CONFIG_PROC_FS */
 

net/irda/iriap.c

@@ -1093,7 +1093,7 @@ struct file_operations irias_seq_fops = {
 	.open           = irias_seq_open,
 	.read           = seq_read,
 	.llseek         = seq_lseek,
-	.release	= seq_release_private,
+	.release	= seq_release,
 };
 
 #endif /* PROC_FS */