Merged revisions 274579 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r274579 | rmudgett | 2010-07-07 13:12:41 -0500 (Wed, 07 Jul 2010) | 1 line
  
  Close the DAHDI FD on error when processing chan_dahdi toneduration config parameter.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@274595 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_dahdi.c

@@ -17043,6 +17043,7 @@ static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct
 					res = ioctl(ctlfd, DAHDI_SET_DIALPARAMS, &dps);
 					if (res < 0) {
 						ast_log(LOG_ERROR, "Invalid tone duration: %d ms at line %d: %s\n", toneduration, v->lineno, strerror(errno));
+						close(ctlfd);
 						return -1;
 					}
 				}