diff options
| author |   tholo <tholo@openbsd.org> | 1997-06-14 06:10:36 +0000 |
|---|---|---|
| committer | tholo <tholo@openbsd.org> | 1997-06-14 06:10:36 +0000 |
| commit | b9f9901bd1a229b45e957261665cf1f0d5db67bc (patch) | |
| tree | eed9ba99c558f32d56975b0e0dd09cc23fd79a11 | |
| parent | TCP/IP Illustrated Vol. 2, pg 1010. excessive testing in PRU_DETACH case; (diff) | |
| download | wireguard-openbsd-b9f9901bd1a229b45e957261665cf1f0d5db67bc.tar.xz wireguard-openbsd-b9f9901bd1a229b45e957261665cf1f0d5db67bc.zip | |
Don't look beyond the end of bdevsw[], from NetBSD PR 3748 by Michael L Hitch
| -rw-r--r-- | sys/kern/vfs_bio.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index ffa423f0c88..d1d4592820c 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vfs_bio.c,v 1.14 1997/04/14 04:23:23 tholo Exp $ */ +/* $OpenBSD: vfs_bio.c,v 1.15 1997/06/14 06:10:36 tholo Exp $ */ /* $NetBSD: vfs_bio.c,v 1.44 1996/06/11 11:15:36 pk Exp $ */ /*- @@ -402,7 +402,8 @@ bdwrite(bp) } /* If this is a tape block, write the block now. */ - if (bdevsw[major(bp->b_dev)].d_type == D_TAPE) { + if (major(bp->b_dev) < nblkdev && + bdevsw[major(bp->b_dev)].d_type == D_TAPE) { bawrite(bp); return; } |