* Per-IP connection unauthed connection limits

* m_close() exits fatally on failure
* other cleanups

--HG--
extra : convert_revision : bed6155e95a293c9fce7e889d283b5958f3035dc

svr-chansession.c

@@ -838,9 +838,7 @@ static void execchild(struct ChanSess *chansess) {
 	/* close file descriptors except stdin/stdout/stderr
 	 * Need to be sure FDs are closed here to avoid reading files as root */
 	for (i = 3; i <= (unsigned int)ses.maxfd; i++) {
-		if (m_close(i) == DROPBEAR_FAILURE) {
-			dropbear_exit("Error closing file desc");
-		}
+		m_close(i);
 	}
 
 	/* clear environment */