From: Naveen Albert <asterisk@phreaknet.org>
Date: Thu, 2 Nov 2023 20:51:22 +0000 (-0400)
Subject: chan_dahdi: Warn if nonexistent cadence is requested.
X-Git-Tag: 21.1.0-rc1~41
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=27f3df713950311b368e5f5a8956bdcf1aa28f67;p=thirdparty%2Fasterisk.git

chan_dahdi: Warn if nonexistent cadence is requested.

If attempting to ring a channel using a nonexistent cadence,
emit a warning, before falling back to the default cadence.

Resolves: #409
(cherry picked from commit cdcdca519930158b527c72e620a66981fec1a2b6)
---

diff --git a/channels/chan_dahdi.c b/channels/chan_dahdi.c
index d15b664b79..473ec17549 100644
--- a/channels/chan_dahdi.c
+++ b/channels/chan_dahdi.c
@@ -2024,6 +2024,9 @@ static void my_set_cadence(void *pvt, int *cid_rings, struct ast_channel *ast)
 			ast_log(LOG_WARNING, "Unable to set distinctive ring cadence %d on '%s': %s\n", p->distinctivering, ast_channel_name(ast), strerror(errno));
 		*cid_rings = cidrings[p->distinctivering - 1];
 	} else {
+		if (p->distinctivering > 0) {
+			ast_log(LOG_WARNING, "Cadence %d is not defined, falling back to default ring cadence\n", p->distinctivering);
+		}
 		if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETCADENCE, NULL))
 			ast_log(LOG_WARNING, "Unable to reset default ring on '%s': %s\n", ast_channel_name(ast), strerror(errno));
 		*cid_rings = p->sendcalleridafter;