Merged revisions 174543 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

........
  r174543 | file | 2009-02-10 11:37:07 -0400 (Tue, 10 Feb 2009) | 6 lines
  
  Make the logic for inuse and inringing manipluation match that of 1.4. The old broken logic would reset the values back to 0 during certain scenarios causing the wrong state to be reported.
  (closes issue #14399)
  Reported by: caspy
  (issue #13238)
  Reported by: kowalma
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@174545 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -4803,9 +4803,11 @@ static int update_call_counter(struct sip_pvt *fup, int event)
 		if (inuse) {
 			sip_pvt_lock(fup);
 			ao2_lock(p);
-			if ((*inuse > 0) && ast_test_flag(&fup->flags[0], SIP_INC_COUNT)) {
-				(*inuse)--;
-				ast_clear_flag(&fup->flags[0], SIP_INC_COUNT);
+			if (*inuse > 0) {
+				if (ast_test_flag(&fup->flags[0], SIP_INC_COUNT)) {
+					(*inuse)--;
+					ast_clear_flag(&fup->flags[0], SIP_INC_COUNT);
+				}
 			} else {
 				*inuse = 0;
 			}
@@ -4817,9 +4819,11 @@ static int update_call_counter(struct sip_pvt *fup, int event)
 		if (inringing) {
 			sip_pvt_lock(fup);
 			ao2_lock(p);
-			if ((*inringing > 0)&& ast_test_flag(&fup->flags[0], SIP_INC_RINGING)) {
-				(*inringing)--;
-				ast_clear_flag(&fup->flags[0], SIP_INC_RINGING);
+			if (*inringing > 0) {
+				if (ast_test_flag(&fup->flags[0], SIP_INC_RINGING)) {
+					(*inringing)--;
+					ast_clear_flag(&fup->flags[0], SIP_INC_RINGING);
+				}
 			} else {
 			   *inringing = 0;
 			}