# HG changeset patch
# User John Floren <john@jfloren.net>
# Date 1328314832 0
# Node ID 1bb8d98bed2dbc9870056e0a82e6367ee102d2bd
# Parent  ef374a94a139ac50f9a074076a6f6919003d1782
devuart.c: This prevents the "no memory" panic I saw on the T61.

R=nix-dev, rminnich, nemo
CC=nix-dev
http://codereview.appspot.com/5569047

diff -r ef374a94a139 -r 1bb8d98bed2d sys/src/nix/port/devuart.c
--- a/sys/src/nix/port/devuart.c	Fri Feb 03 18:53:25 2012 +0000
+++ b/sys/src/nix/port/devuart.c	Sat Feb 04 00:20:32 2012 +0000
@@ -197,7 +197,7 @@
 
 	uartndir = 1 + 3*uartnuart;
 	uartdir = malloc(uartndir * sizeof(Dirtab));
-	if(uart == nil || uartdir == nil)
+	if(uartnuart > 0 && uart == nil || uartdir == nil)
 		panic("uartreset: no memory");
 	dp = uartdir;
 	strcpy(dp->name, ".");