net/atm/signaling.c: remove WAIT_FOR_DEMON code
WAIT_FOR_DEMON code is directly undefined at the beginning
of signaling.c since initial git version and thus never compiled.
This also removes buggy current->state direct access.
Suggested-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/atm/signaling.c b/net/atm/signaling.c
index 523bce7..4fd6af4 100644
--- a/net/atm/signaling.c
+++ b/net/atm/signaling.c
@@ -19,36 +19,15 @@
#include "resources.h"
#include "signaling.h"
-#undef WAIT_FOR_DEMON /* #define this if system calls on SVC sockets
- should block until the demon runs.
- Danger: may cause nasty hangs if the demon
- crashes. */
-
struct atm_vcc *sigd = NULL;
-#ifdef WAIT_FOR_DEMON
-static DECLARE_WAIT_QUEUE_HEAD(sigd_sleep);
-#endif
static void sigd_put_skb(struct sk_buff *skb)
{
-#ifdef WAIT_FOR_DEMON
- DECLARE_WAITQUEUE(wait, current);
-
- add_wait_queue(&sigd_sleep, &wait);
- while (!sigd) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- pr_debug("atmsvc: waiting for signaling daemon...\n");
- schedule();
- }
- current->state = TASK_RUNNING;
- remove_wait_queue(&sigd_sleep, &wait);
-#else
if (!sigd) {
pr_debug("atmsvc: no signaling daemon\n");
kfree_skb(skb);
return;
}
-#endif
atm_force_charge(sigd, skb->truesize);
skb_queue_tail(&sk_atm(sigd)->sk_receive_queue, skb);
sk_atm(sigd)->sk_data_ready(sk_atm(sigd));
@@ -261,8 +240,5 @@
vcc_insert_socket(sk_atm(vcc));
set_bit(ATM_VF_META, &vcc->flags);
set_bit(ATM_VF_READY, &vcc->flags);
-#ifdef WAIT_FOR_DEMON
- wake_up(&sigd_sleep);
-#endif
return 0;
}