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authorandrew hendry <andrew.hendry@gmail.com>2010-05-16 23:00:02 +0000
committerDavid S. Miller <davem@davemloft.net>2010-05-17 17:39:27 -0700
commitb7792e34cba641c49cd436d42fbfd2a632ff39d3 (patch)
treef880770915e06678b287f1c6c7d16702677c6aef
parentcb863ffd4a04f9f8619f52c01d472a64ccc716bd (diff)
X25: Move interrupt flag to bitfield
Moves the x25 interrupt flag from char into bitfield. Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/x25.h3
-rw-r--r--net/x25/af_x25.c1
-rw-r--r--net/x25/x25_in.c2
-rw-r--r--net/x25/x25_out.c5
4 files changed, 7 insertions, 4 deletions
diff --git a/include/net/x25.h b/include/net/x25.h
index 7b5795e1ceb2..1576e92c6cec 100644
--- a/include/net/x25.h
+++ b/include/net/x25.h
@@ -115,6 +115,7 @@ enum {
/* Bitset in x25_sock->flags for misc flags */
#define X25_Q_BIT_FLAG 0
+#define X25_INTERRUPT_FLAG 1
/**
* struct x25_route - x25 routing entry
@@ -149,7 +150,7 @@ struct x25_sock {
struct x25_address source_addr, dest_addr;
struct x25_neigh *neighbour;
unsigned int lci, cudmatchlength;
- unsigned char state, condition, intflag, accptapprv;
+ unsigned char state, condition, accptapprv;
unsigned short vs, vr, va, vl;
unsigned long t2, t21, t22, t23;
unsigned short fraglen;
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 720534ce1fd9..3d97b8caf0b1 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -641,6 +641,7 @@ static struct sock *x25_make_new(struct sock *osk)
x25->cudmatchlength = ox25->cudmatchlength;
x25->accptapprv = ox25->accptapprv;
+ clear_bit(X25_INTERRUPT_FLAG, &x25->flags);
x25_init_timers(sk);
out:
return sk;
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index 372ac226e648..63178961efac 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -273,7 +273,7 @@ static int x25_state3_machine(struct sock *sk, struct sk_buff *skb, int frametyp
break;
case X25_INTERRUPT_CONFIRMATION:
- x25->intflag = 0;
+ clear_bit(X25_INTERRUPT_FLAG, &x25->flags);
break;
case X25_INTERRUPT:
diff --git a/net/x25/x25_out.c b/net/x25/x25_out.c
index 52351a26b6fc..d00649fb251d 100644
--- a/net/x25/x25_out.c
+++ b/net/x25/x25_out.c
@@ -148,8 +148,9 @@ void x25_kick(struct sock *sk)
/*
* Transmit interrupt data.
*/
- if (!x25->intflag && skb_peek(&x25->interrupt_out_queue) != NULL) {
- x25->intflag = 1;
+ if (skb_peek(&x25->interrupt_out_queue) != NULL &&
+ !test_and_set_bit(X25_INTERRUPT_FLAG, &x25->flags)) {
+
skb = skb_dequeue(&x25->interrupt_out_queue);
x25_transmit_link(skb, x25->neighbour);
}