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authorG. Liakhovetski <gl@dsa-ac.de>2007-06-08 19:15:17 -0700
committerDavid S. Miller <davem@davemloft.net>2007-06-08 19:15:17 -0700
commitc0cfe7faa12f189ef1024fce5a710791d0062355 (patch)
treee3f6e22de451d8d679235f8adea313a25c5de497 /net/irda/irlap_event.c
parent81d84a94be8085475c3585596e52b06ccbedd922 (diff)
downloadlinux-c0cfe7faa12f189ef1024fce5a710791d0062355.tar.gz
[IrDA]: Fix Rx/Tx path race.
From: G. Liakhovetski <gl@dsa-ac.de> We need to switch to NRM _before_ sending the final packet otherwise we might hit a race condition where we get the first packet from the peer while we're still in LAP_XMIT_P. Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/irda/irlap_event.c')
-rw-r--r--net/irda/irlap_event.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/net/irda/irlap_event.c b/net/irda/irlap_event.c
index 0b02073ffdf..71c80550693 100644
--- a/net/irda/irlap_event.c
+++ b/net/irda/irlap_event.c
@@ -317,23 +317,6 @@ void irlap_do_event(struct irlap_cb *self, IRLAP_EVENT event,
}
/*
- * Function irlap_next_state (self, state)
- *
- * Switches state and provides debug information
- *
- */
-static inline void irlap_next_state(struct irlap_cb *self, IRLAP_STATE state)
-{
- /*
- if (!self || self->magic != LAP_MAGIC)
- return;
-
- IRDA_DEBUG(4, "next LAP state = %s\n", irlap_state[state]);
- */
- self->state = state;
-}
-
-/*
* Function irlap_state_ndm (event, skb, frame)
*
* NDM (Normal Disconnected Mode) state
@@ -1086,7 +1069,6 @@ static int irlap_state_xmit_p(struct irlap_cb *self, IRLAP_EVENT event,
} else {
/* Final packet of window */
irlap_send_data_primary_poll(self, skb);
- irlap_next_state(self, LAP_NRM_P);
/*
* Make sure state machine does not try to send