diff options
Diffstat (limited to 'sys/arch/arm/arm/mem.c')
| -rw-r--r-- | sys/arch/arm/arm/mem.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/sys/arch/arm/arm/mem.c b/sys/arch/arm/arm/mem.c index 2e76a251861..c05990f6c52 100644 --- a/sys/arch/arm/arm/mem.c +++ b/sys/arch/arm/arm/mem.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mem.c,v 1.18 2016/08/16 18:21:54 tedu Exp $ */ +/* $OpenBSD: mem.c,v 1.19 2016/09/25 15:23:37 deraadt Exp $ */ /* $NetBSD: mem.c,v 1.11 2003/10/16 12:02:58 jdolecek Exp $ */ /* @@ -101,15 +101,20 @@ extern int allowaperture; int mmopen(dev_t dev, int flag, int mode, struct proc *p) { + extern int allowkmem; + switch (minor(dev)) { - case 0: - case 1: - case 2: - case 12: + case 0: + case 1: + if (securelevel <= 0 || allowkmem) break; + return (EPERM); + case 2: + case 12: + break; #ifdef APERTURE case 4: - if (suser(p, 0) != 0 || !allowaperture) + if (suser(p, 0) != 0 || !allowaperture) return (EPERM); /* authorize only one simultaneous open() unless @@ -119,8 +124,8 @@ mmopen(dev_t dev, int flag, int mode, struct proc *p) ap_open_count++; break; #endif - default: - return (ENXIO); + default: + return (ENXIO); } return (0); } |