When stacking multiple LSMs, we do not want hooks which are undefined to
be substituted with the dummy_##hook.
Signed-off-by: Serge Hallyn <[email protected]>
---
security/security.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
Index: linux-2.6.12-rc6/security/security.c
===================================================================
--- linux-2.6.12-rc6.orig/security/security.c
+++ linux-2.6.12-rc6/security/security.c
@@ -81,15 +81,15 @@ int __init security_init(void)
*/
int register_security(struct security_operations *ops)
{
+ if (security_ops != &dummy_security_ops)
+ return -EAGAIN;
+
if (verify(ops)) {
printk(KERN_DEBUG "%s could not verify "
"security_operations structure.\n", __FUNCTION__);
return -EINVAL;
}
- if (security_ops != &dummy_security_ops)
- return -EAGAIN;
-
security_ops = ops;
return 0;
@@ -134,9 +134,9 @@ int unregister_security(struct security_
*/
int mod_reg_security(const char *name, struct security_operations *ops)
{
- if (verify(ops)) {
- printk(KERN_INFO "%s could not verify "
- "security operations.\n", __FUNCTION__);
+ if (!ops) {
+ printk(KERN_INFO "%s received NULL security operations",
+ __FUNCTION__);
return -EINVAL;
}
-
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