Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

be consistent in checking cn_getc return value.

Browse Source
This commit is contained in:
mlelstv 2019-02-07 06:10:29 +00:00
parent 2b1fdb0e5c
commit 3be3d3e247
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/dev/wscons/wsdisplay.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: wsdisplay.c,v 1.153 2019/02/03 03:19:28 mrg Exp $ */
/* $NetBSD: wsdisplay.c,v 1.154 2019/02/07 06:10:29 mlelstv Exp $ */
/*
* Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved.
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: wsdisplay.c,v 1.153 2019/02/03 03:19:28 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: wsdisplay.c,v 1.154 2019/02/07 06:10:29 mlelstv Exp $");
#ifdef _KERNEL_OPT
#include "opt_wsdisplay_compat.h"
@ -289,9 +289,9 @@ wsscreen_getc_poll(void *priv)
struct tty *tp = scr->scr_tty;
do {
c = wsdisplay_ocn->cn_getc(wsdisplay_ocn->cn_dev);
if (c != -1)
if (c >= 0)
(*tp->t_linesw->l_rint)((unsigned char)c, tp);
} while (c != -1);
} while (c >= 0);
}
callout_schedule(&scr->scr_getc_ch, mstohz(10));