From: Ryan Reading <ryanr23@gmail.com>

Every IrCOMM socket is registered with the discovery subsystem, so we don't
need to loop over all of them for every discovery event. We just need to
do it for the registered IrCOMM socket.

Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


diff -puN net/irda/ircomm/ircomm_tty_attach.c~ircomm-discovery-indication-simplification net/irda/ircomm/ircomm_tty_attach.c
--- a/net/irda/ircomm/ircomm_tty_attach.c~ircomm-discovery-indication-simplification
+++ a/net/irda/ircomm/ircomm_tty_attach.c
@@ -381,18 +381,9 @@ static void ircomm_tty_discovery_indicat
 	info.daddr = discovery->daddr;
 	info.saddr = discovery->saddr;
 
-	/* FIXME. We have a locking problem on the hashbin here.
-	 * We probably need to use hashbin_find_next(), but we first
-	 * need to ensure that "line" is unique. - Jean II */
-	self = (struct ircomm_tty_cb *) hashbin_get_first(ircomm_tty);
-	while (self != NULL) {
-		IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;);
-
-		ircomm_tty_do_event(self, IRCOMM_TTY_DISCOVERY_INDICATION,
-				    NULL, &info);
-
-		self = (struct ircomm_tty_cb *) hashbin_get_next(ircomm_tty);
-	}
+	self = (struct ircomm_tty_cb *) priv;
+	ircomm_tty_do_event(self, IRCOMM_TTY_DISCOVERY_INDICATION,
+			    NULL, &info);
 }
 
 /*
_