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authorfile <file@f38db490-d61c-443f-a65b-d21fe96a405b>2009-02-10 20:15:43 +0000
committerfile <file@f38db490-d61c-443f-a65b-d21fe96a405b>2009-02-10 20:15:43 +0000
commit884af3b641048d41502ff8c4af0f3004552494ba (patch)
tree828d9bc2822f32f92466d50885209a70fa8a3153 /channels
parent446fe9d06743deee7ccf8f563b2a5d05ed4e05d8 (diff)
Only decrease inringing count if above zero.
(issue #13238) Reported by: kowalma git-svn-id: http://svn.digium.com/svn/asterisk/trunk@174710 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'channels')
-rw-r--r--channels/chan_sip.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index d932dff05..bfbdba385 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -5314,7 +5314,9 @@ static int update_call_counter(struct sip_pvt *fup, int event)
sip_pvt_lock(fup);
ao2_lock(p);
if (ast_test_flag(&fup->flags[0], SIP_INC_RINGING)) {
- (*inringing)--;
+ if (*inringing > 0) {
+ (*inringing)--;
+ }
ast_clear_flag(&fup->flags[0], SIP_INC_RINGING);
}
ao2_unlock(p);