include/linux/cred.h: fix build

mips allmodconfig:

include/linux/cred.h: In function `creds_are_invalid':
include/linux/cred.h:187: error: `PAGE_SIZE' undeclared (first use in this function)
include/linux/cred.h:187: error: (Each undeclared identifier is reported only once
include/linux/cred.h:187: error: for each function it appears in.)

Fixes

commit b6dff3ec5e116e3af6f537d4caedcad6b9e5082a
Author:     David Howells <dhowells@redhat.com>
AuthorDate: Fri Nov 14 10:39:16 2008 +1100
Commit:     James Morris <jmorris@namei.org>
CommitDate: Fri Nov 14 10:39:16 2008 +1100

    CRED: Separate task security context from task_struct

I think.

It's way too large to be inlined anyway.

Dunno if this needs an EXPORT_SYMBOL() yet.

Cc: David Howells <dhowells@redhat.com>
Cc: James Morris <jmorris@namei.org>
Cc: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 1 insertions, 17 deletions

diff --git a/include/linux/cred.h b/include/linux/cred.h
index fb371601a3b4..4e3387a89cb9 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -176,23 +176,7 @@ extern void __invalid_creds(const struct cred *, const char *, unsigned);
 extern void __validate_process_creds(struct task_struct *,
                                      const char *, unsigned);
 
-static inline bool creds_are_invalid(const struct cred *cred)
-{
-        if (cred->magic != CRED_MAGIC)
-                return true;
-        if (atomic_read(&cred->usage) < atomic_read(&cred->subscribers))
-                return true;
-#ifdef CONFIG_SECURITY_SELINUX
-        if (selinux_is_enabled()) {
-                if ((unsigned long) cred->security < PAGE_SIZE)
-                        return true;
-                if ((*(u32 *)cred->security & 0xffffff00) ==
-                    (POISON_FREE << 24 | POISON_FREE << 16 | POISON_FREE << 8))
-                        return true;
-        }
-#endif
-        return false;
-}
+extern bool creds_are_invalid(const struct cred *cred);
 
 static inline void __validate_creds(const struct cred *cred,
                                     const char *file, unsigned line)