Remove the iskmemdev() function. Make it the responsibility of the mem.c

drivers to enforce the securelevel checks.

1 files changed, 5 insertions, 14 deletions

diff --git a/sys/amd64/amd64/mem.c b/sys/amd64/amd64/mem.c
index 92c7b2d..da9084b 100644
--- a/sys/amd64/amd64/mem.c
+++ b/sys/amd64/amd64/mem.c
@@ -111,6 +111,11 @@ mmclose(dev, flags, fmt, p)
 	struct proc *p;
 {
 	switch (minor(dev)) {
+	case 0:
+	case 1:
+		if (securelevel >= 1)
+			return (EPERM);
+		break;
 	case 14:
 		curproc->p_md.md_regs->tf_eflags &= ~PSL_IOPL;
 		break;
@@ -527,20 +532,6 @@ mmpoll(dev, events, p)
 	}
 }
 
-/*
- * Routine that identifies /dev/mem and /dev/kmem.
- *
- * A minimal stub routine can always return 0.
- */
-int
-iskmemdev(dev)
-	dev_t dev;
-{
-
-	return ((major(dev) == mem_cdevsw.d_maj)
-	      && (minor(dev) == 0 || minor(dev) == 1));
-}
-
 int
 iszerodev(dev)
 	dev_t dev;