From: Matthew Fredrickson <creslin@digium.com>
Date: Fri, 21 Dec 2007 20:50:26 +0000 (+0000)
Subject: We should only clear this value if we have to
X-Git-Tag: 1.6.0-beta1~3^2~323
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3b9e3e79172904395b736cca5ad108c17bacd7c;p=thirdparty%2Fasterisk.git

We should only clear this value if we have to

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@94551 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index d25e02575f..d3adaf3ed4 100644
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -8905,10 +8905,11 @@ static void ss7_start_call(struct zt_pvt *p, struct zt_ss7 *linkset)
 	/* Clear this after we set it */
 	p->gen_dig_scheme = 0;
 
-	if (!ast_strlen_zero(p->lspi_ident))
+	if (!ast_strlen_zero(p->lspi_ident)) {
 		pbx_builtin_setvar_helper(c, "SS7_LSPI_IDENT", p->lspi_ident);
-	/* Clear this after we set it */
-	p->lspi_ident[0] = 0;
+		/* Clear this after we set it */
+		p->lspi_ident[0] = 0;
+	}
 
 	snprintf(tmp, sizeof(tmp), "%d", p->call_ref_ident);
 	pbx_builtin_setvar_helper(c, "SS7_CALLREF_IDENT", tmp);