find_free_chan_in_stack usage fix

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@46963 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/misdn/isdn_lib.c b/channels/misdn/isdn_lib.c
index 91a854b59486fc8c81c6f788bf83d2098394bf37..aa0277efc2c5b97ac201b3891c6f26bf6d424369 100644 (file)
--- a/channels/misdn/isdn_lib.c
+++ b/channels/misdn/isdn_lib.c
@@ -183,7 +183,9 @@ struct misdn_lib {
 void misdn_tx_jitter(struct misdn_bchannel *bc, int len);
 
 struct misdn_bchannel *find_bc_by_l3id(struct misdn_stack *stack, unsigned long l3id);
+
 struct misdn_bchannel *find_bc_by_confid(unsigned long confid);
+
 struct misdn_bchannel *stack_holder_find_bychan(struct misdn_stack *stack, int chan);
 
 int setup_bc(struct misdn_bchannel *bc);
@@ -824,14 +826,13 @@ static int create_process (int midev, struct misdn_bchannel *bc) {
        int l3_id;
        int i;
        struct misdn_stack *stack=get_stack_by_bc(bc);
-       int free_chan;
   
        if (stack->nt) {
-               free_chan = find_free_chan_in_stack(stack, bc, bc->channel_preselected?bc->channel:0);
-               if (!free_chan) return -1;
+               if (!find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0))
+                       return -1;
                /*bc->channel=free_chan;*/
                
-               cb_log(4,stack->port, " -->  found channel: %d\n",free_chan);
+               cb_log(4,stack->port, " -->  found channel: %d\n", bc->channel);
     
                for (i=0; i <= MAXPROCS; i++)
                        if (stack->procids[i]==0) break;
@@ -857,10 +858,10 @@ static int create_process (int midev, struct misdn_bchannel *bc) {
        } else { 
                if (stack->ptp || bc->te_choose_channel) {
                        /* we know exactly which channels are in use */
-                       free_chan = find_free_chan_in_stack(stack, bc, bc->channel_preselected?bc->channel:0);
-                       if (!free_chan) return -1;
+                       if (!find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0))
+                               return -1;
                        /*bc->channel=free_chan;*/
-                       cb_log(2,stack->port, " -->  found channel: %d\n",free_chan);
+                       cb_log(2,stack->port, " -->  found channel: %d\n", bc->channel);
                } else {
                        /* other phones could have made a call also on this port (ptmp) */
                        bc->channel=0xff;
@@ -1496,8 +1497,7 @@ static int handle_event ( struct misdn_bchannel *bc, enum event_e event, iframe_
                        
                {
                        if (bc->channel == 0xff) {
-                               bc->channel=find_free_chan_in_stack(stack, bc,  0);
-                               if (!bc->channel) {
+                               if (!find_free_chan_in_stack(stack, bc, 0)) {
                                        cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
                                        break;
                                }
@@ -1799,9 +1799,7 @@ handle_event_nt(void *dat, void *arg)
                        bc->l3_id=hh->dinfo;
 
                        if (bc->channel<=0) {
-                               bc->channel=find_free_chan_in_stack(stack,0,0);
-
-                               if (bc->channel<=0)
+                               if (!find_free_chan_in_stack(stack, bc, 0))
                                        goto ERR_NO_CHANNEL;
                        }
                }
@@ -2040,8 +2038,7 @@ handle_event_nt(void *dat, void *arg)
 
                                        } else {
 
-                                               bc->channel = find_free_chan_in_stack(stack, bc, 0);
-                                               if (!bc->channel) {
+                                               if (!find_free_chan_in_stack(stack, bc, 0)) {
                                                        cb_log(0, stack->port, " No free channel at the moment\n");
                                        
                                                        msg_t *dmsg;
@@ -3230,8 +3227,7 @@ int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event )
 
                if (stack->nt) {
                        if (bc->channel <=0 ) { /*  else we have the channel already */
-                               bc->channel = find_free_chan_in_stack(stack, bc, 0);
-                               if (!bc->channel) {
+                               if (!find_free_chan_in_stack(stack, bc, 0)) {
                                        cb_log(0, stack->port, " No free channel at the moment\n");
                                        
                                        err=-ENOCHAN;