diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1998-07-07 03:02:52 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1998-07-07 03:02:52 +0000 |
| commit | b6f917e38f32ad82988462d315c2cc55cf1bf038 (patch) | |
| tree | 5cdca187b9174c4ca42772ef5bc06e07679f4f92 /sys/arch/arc | |
| parent | 0718e94007d14d484b2502651a72956542b4a5e0 (diff) | |
fix chrtoblk() so that it returne ENODEV for entries beyond the end of the table
Diffstat (limited to 'sys/arch/arc')
| -rw-r--r-- | sys/arch/arc/arc/conf.c | 47 |
1 files changed, 8 insertions, 39 deletions
diff --git a/sys/arch/arc/arc/conf.c b/sys/arch/arc/arc/conf.c index e0b0730ac97..7be82736197 100644 --- a/sys/arch/arc/arc/conf.c +++ b/sys/arch/arc/arc/conf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: conf.c,v 1.20 1998/05/06 05:11:16 imp Exp $ */ +/* $OpenBSD: conf.c,v 1.21 1998/07/07 03:02:32 deraadt Exp $ */ /* * Copyright (c) 1992, 1993 @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * from: @(#)conf.c 8.2 (Berkeley) 11/14/93 - * $Id: conf.c,v 1.20 1998/05/06 05:11:16 imp Exp $ + * $Id: conf.c,v 1.21 1998/07/07 03:02:32 deraadt Exp $ */ #include <sys/param.h> @@ -282,45 +282,10 @@ static int chrtoblktbl[MAXDEV] = { /* 20 */ NODEV, /* 21 */ NODEV, /* 22 */ 8, - /* 23 */ NODEV, - /* 24 */ NODEV, - /* 25 */ NODEV, - /* 26 */ NODEV, - /* 27 */ NODEV, - /* 28 */ NODEV, - /* 29 */ NODEV, - /* 30 */ NODEV, - /* 31 */ NODEV, - /* 32 */ NODEV, - /* 33 */ NODEV, - /* 34 */ NODEV, - /* 35 */ NODEV, - /* 36 */ NODEV, - /* 37 */ NODEV, - /* 38 */ NODEV, - /* 39 */ NODEV, - /* 40 */ NODEV, - /* 41 */ NODEV, - /* 42 */ NODEV, - /* 43 */ NODEV, - /* 44 */ NODEV, - /* 45 */ NODEV, - /* 46 */ NODEV, - /* 47 */ NODEV, - /* 48 */ NODEV, - /* 49 */ NODEV, - /* 50 */ NODEV, - /* 51 */ NODEV, - /* 52 */ NODEV, - /* 53 */ NODEV, - /* 54 */ NODEV, - /* 55 */ NODEV, - /* 56 */ NODEV, }; + /* * Routine to convert from character to block device number. - * - * A minimal stub routine can always return NODEV. */ dev_t chrtoblk(dev) @@ -328,7 +293,11 @@ chrtoblk(dev) { int blkmaj; - if (major(dev) >= MAXDEV || (blkmaj = chrtoblktbl[major(dev)]) == NODEV) + if (major(dev) >= MAXDEV || + major(dev) > sizeof(chrtoblktbl)/sizeof(chrtoblktbl[0])) + return (NODEV); + blkmaj = chrtoblktbl[major(dev)]; + if (blkmaj == NODEV) return (NODEV); return (makedev(blkmaj, minor(dev))); } |