diff options
| author | ache <ache@FreeBSD.org> | 1994-04-02 20:43:25 +0000 |
|---|---|---|
| committer | ache <ache@FreeBSD.org> | 1994-04-02 20:43:25 +0000 |
| commit | 5721b2f2d544611d87d658edeabee3d5ae1456e2 (patch) | |
| tree | 2eacb854a8d5e7d81f865ebbd6b68701399218e1 /sys/amd64/isa | |
| parent | 0be7296a0e1b4c44e11315d7a84abbd8f3977ec3 (diff) | |
| download | FreeBSD-src-5721b2f2d544611d87d658edeabee3d5ae1456e2.zip FreeBSD-src-5721b2f2d544611d87d658edeabee3d5ae1456e2.tar.gz | |
Change from Bruce:
isa_dmarangecheck() is off by one error.
> ISARAM_END should be >= ISARAM_END. Only the first page above 16M
was mishandled.
Diffstat (limited to 'sys/amd64/isa')
| -rw-r--r-- | sys/amd64/isa/isa.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/amd64/isa/isa.c b/sys/amd64/isa/isa.c index 835aa98..42ab27d 100644 --- a/sys/amd64/isa/isa.c +++ b/sys/amd64/isa/isa.c @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)isa.c 7.2 (Berkeley) 5/13/91 - * $Id: isa.c,v 1.14 1994/01/22 21:52:04 rgrimes Exp $ + * $Id: isa.c,v 1.15 1994/04/02 07:00:46 davidg Exp $ */ /* @@ -530,7 +530,7 @@ isa_dmarangecheck(caddr_t va, unsigned length, unsigned chan) { #define ISARAM_END RAM_END if (phys == 0) panic("isa_dmacheck: no physical page present"); - if (phys > ISARAM_END) + if (phys >= ISARAM_END) return (1); if (priorpage) { if (priorpage + NBPG != phys) |
