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authorRoss Burton <ross@openedhand.com>2008-01-22 18:27:53 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:10:54 -0800
commit91cde6f7d295a9eafea51d821f6e609288736c79 (patch)
tree8465492a91f93aad746437468510aed76e421c53 /net/irda/irsysctl.c
parentc0e1899bdbd5e997d2256fcc23fc4e3d2bc5f811 (diff)
downloadlinux-91cde6f7d295a9eafea51d821f6e609288736c79.tar.gz
[IrDA]: LMP discovery timer not started by default
By default, LMP sets up a 3 seconds timer for discovery.
We don't need it until discovery is set to 1.

Signed-off-by: Ross Burton <ross@openedhand.com>
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/irda/irsysctl.c')
-rw-r--r--net/irda/irsysctl.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/net/irda/irsysctl.c b/net/irda/irsysctl.c
index d8aba869ff11..9ab3df15425d 100644
--- a/net/irda/irsysctl.c
+++ b/net/irda/irsysctl.c
@@ -29,6 +29,8 @@
 #include <linux/init.h>
 
 #include <net/irda/irda.h>		/* irda_debug */
+#include <net/irda/irlmp.h>
+#include <net/irda/timer.h>
 #include <net/irda/irias_object.h>
 
 extern int  sysctl_discovery;
@@ -45,6 +47,8 @@ extern int  sysctl_max_noreply_time;
 extern int  sysctl_warn_noreply_time;
 extern int  sysctl_lap_keepalive_time;
 
+extern struct irlmp_cb *irlmp;
+
 /* this is needed for the proc_dointvec_minmax - Jean II */
 static int max_discovery_slots = 16;		/* ??? */
 static int min_discovery_slots = 1;
@@ -85,6 +89,27 @@ static int do_devname(ctl_table *table, int write, struct file *filp,
 	return ret;
 }
 
+
+static int do_discovery(ctl_table *table, int write, struct file *filp,
+                    void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+       int ret;
+
+       ret = proc_dointvec(table, write, filp, buffer, lenp, ppos);
+       if (ret)
+	       return ret;
+
+       if (irlmp == NULL)
+	       return -ENODEV;
+
+       if (sysctl_discovery)
+	       irlmp_start_discovery_timer(irlmp, sysctl_discovery_timeout*HZ);
+       else
+	       del_timer_sync(&irlmp->discovery_timer);
+
+       return ret;
+}
+
 /* One file */
 static ctl_table irda_table[] = {
 	{
@@ -93,7 +118,8 @@ static ctl_table irda_table[] = {
 		.data		= &sysctl_discovery,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= &do_discovery,
+		.strategy       = &sysctl_intvec
 	},
 	{
 		.ctl_name	= NET_IRDA_DEVNAME,