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Subject[updated patch 7/7] BSD Secure Levels: remove redundant ptrace check
This patch is applies cleanly against the new printk() patch.  It
removes the ptrace check because it is redundant with the check made
in kernel/ptrace.c.

Signed off by: Michael Halcrow <mhalcrow@us.ibm.com>

Index: linux-2.6.12-rc4-mm2-seclvl/security/seclvl.c
===================================================================
--- linux-2.6.12-rc4-mm2-seclvl.orig/security/seclvl.c 2005-05-20 09:09:37.000000000 -0500
+++ linux-2.6.12-rc4-mm2-seclvl/security/seclvl.c 2005-05-20 09:09:42.000000000 -0500
@@ -402,22 +402,6 @@
seclvl_write_passwd);

/**
- * Explicitely disallow ptrace'ing the init process.
- */
-static int seclvl_ptrace(struct task_struct *parent, struct task_struct *child)
-{
- if (seclvl >= 0) {
- if (child->pid == 1) {
- seclvl_printk(1, KERN_WARNING, "Attempt to ptrace "
- "the init process dissallowed in "
- "secure level %d\n", seclvl);
- return -EPERM;
- }
- }
- return 0;
-}
-
-/**
* Capability checks for seclvl. The majority of the policy
* enforcement for seclvl takes place here.
*/
@@ -663,7 +647,6 @@
}

static struct security_operations seclvl_ops = {
- .ptrace = seclvl_ptrace,
.capable = seclvl_capable,
.file_permission = seclvl_file_permission,
.file_mmap = seclvl_file_mmap,
-
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