Don't blow up if an ast_channel doesn't get allocated.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@270726 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/sig_analog.c b/channels/sig_analog.c
index 53804a6f40efdd1b59effd89fe0cd99eec61b414..36c551e43cc1a59ead0c26a11b7513c6f81979af 100644 (file)
--- a/channels/sig_analog.c
+++ b/channels/sig_analog.c
@@ -410,7 +410,9 @@ static struct ast_channel * analog_new_ast_channel(struct analog_pvt *p, int sta
        }
 
        c = p->calls->new_ast_channel(p->chan_pvt, state, startpbx, sub, requestor);
-       ast_string_field_set(c, call_forward, p->call_forward);
+       if (c) {
+               ast_string_field_set(c, call_forward, p->call_forward);
+       }
        p->subs[sub].owner = c;
        if (!p->owner) {
                p->owner = c;