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Fix a kernel-dump that occurred when accessing a grf-device that was configured 

in the config file but not found by the autoconfig code.
This commit is contained in:
leo 1997-02-26 12:28:40 +00:00
parent 5e2ca8918d
commit 60bde8d1ca
1 changed files with 3 additions and 1 deletions
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4
sys/arch/atari/dev/grf.c
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@ -1,4 +1,4 @@
/* $NetBSD: grf.c,v 1.18 1997/01/10 21:00:36 leo Exp $ */
/* $NetBSD: grf.c,v 1.19 1997/02/26 12:28:40 leo Exp $ */
/*
* Copyright (c) 1995 Leo Weppelman
@ -172,6 +172,8 @@ grfopen(dev, flags, devtype, p)
return(ENXIO);
gp = grfsp[GRFUNIT(dev)];
if (gp == NULL)
return(ENXIO);
if ((gp->g_flags & GF_ALIVE) == 0)
return(ENXIO);