Bug 7268 - Callerid leaks memory on error

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@32582 65c4cc65-6c06-0410-ace0-fbb531ad65f3

callerid.c

@@ -274,6 +274,7 @@ int callerid_feed(struct callerid_state *cid, unsigned char *ubuf, int len, int
 		res = fsk_serie(&cid->fskd, buf, &mylen, &b);
 		if (mylen < 0) {
 			ast_log(LOG_ERROR, "fsk_serie made mylen < 0 (%d)\n", mylen);
+			free(obuf);
 			return -1;
 		}
 		buf += (olen - mylen);
@@ -307,6 +308,7 @@ int callerid_feed(struct callerid_state *cid, unsigned char *ubuf, int len, int
 			case 4: /* Retrieve message */
 				if (cid->pos >= 128) {
 					ast_log(LOG_WARNING, "Caller ID too long???\n");
+					free(obuf);
 					return -1;
 				}
 				cid->rawdata[cid->pos++] = b;
@@ -392,6 +394,7 @@ int callerid_feed(struct callerid_state *cid, unsigned char *ubuf, int len, int
 					strcpy(cid->name, "");
 					cid->flags |= CID_UNKNOWN_NAME;
 				}
+				free(obuf);
 				return 1;
 				break;
 			default: