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* Use Phil Budne's full name in the copyright header.

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* Define RECOVER to something faster.
* Check for a valid softc in scnsoft. When there is
  a "hole" (e.g. you have scn0,scn1, scn4, scn5) the
  old code would panic. Thank's to Phil Budne for
  finding and fixing this bug.
This commit is contained in:
matthias 1997-02-08 09:34:31 +00:00
parent f3ae5cdf29
commit f3cdc89574
1 changed files with 5 additions and 3 deletions
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8
sys/arch/pc532/dev/scn.c
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@ -1,7 +1,7 @@
/* $NetBSD: scn.c,v 1.33 1997/01/11 10:58:16 matthias Exp $ */
/* $NetBSD: scn.c,v 1.34 1997/02/08 09:34:31 matthias Exp $ */
/*
* Copyright (c) 1996 Phil Budne.
* Copyright (c) 1996 Philip L. Budne.
* Copyright (c) 1993 Philip A. Nelson.
* Copyright (c) 1991, 1992, 1993
* The Regents of the University of California. All rights reserved.
@ -103,7 +103,7 @@ struct cfdriver scn_cd = {NULL, "scn", DV_TTY, NULL, 0};
#endif
#ifdef CPU30MHZ
#define RECOVER() do { di(); ei(); } while (0)
#define RECOVER() __asm __volatile("bispsrw 0x800" : : : "cc")
#else
#define RECOVER()
#endif
@ -1245,6 +1245,8 @@ scnsoft(arg)
register int n, get;
sc = SOFTC(unit);
if (!sc)
continue;
tp = sc->scn_tty;
#ifdef KGDB
if (tp == NULL) {