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| author | bde <bde@FreeBSD.org> | 1997-04-14 15:54:39 +0000 |
|---|---|---|
| committer | bde <bde@FreeBSD.org> | 1997-04-14 15:54:39 +0000 |
| commit | 1c0ab07a266f3b071ce84f79a038cb7ef340396b (patch) | |
| tree | 13ae33e7ddec4a2869ffe451e056d82bcfa9375f /sys/amd64/amd64/mem.c | |
| parent | 93bc52bbfc3efe16fd656b69eca9a3d6ee133b39 (diff) | |
| download | FreeBSD-src-1c0ab07a266f3b071ce84f79a038cb7ef340396b.zip FreeBSD-src-1c0ab07a266f3b071ce84f79a038cb7ef340396b.tar.gz | |
Use the same IOPL check as in syscons.
Reviewed by: pst, joerg
Diffstat (limited to 'sys/amd64/amd64/mem.c')
| -rw-r--r-- | sys/amd64/amd64/mem.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/amd64/amd64/mem.c b/sys/amd64/amd64/mem.c index a6e4cc5..9fb1525 100644 --- a/sys/amd64/amd64/mem.c +++ b/sys/amd64/amd64/mem.c @@ -38,7 +38,7 @@ * * from: Utah $Hdr: mem.c 1.13 89/10/08$ * from: @(#)mem.c 7.2 (Berkeley) 5/9/91 - * $Id$ + * $Id: mem.c,v 1.41 1997/02/22 09:32:33 peter Exp $ */ /* @@ -169,6 +169,7 @@ mmopen(dev, flags, fmt, p) int fmt; struct proc *p; { + int error; struct trapframe *fp; switch (minor(dev)) { @@ -179,6 +180,11 @@ mmopen(dev, flags, fmt, p) return ENODEV; #endif case 14: + error = suser(p->p_ucred, &p->p_acflag); + if (error != 0) + return (error); + if (securelevel > 0) + return (EPERM); fp = (struct trapframe *)curproc->p_md.md_regs; fp->tf_eflags |= PSL_IOPL; break; |
