SELinux: Abstract use of file security blob
Don't use the file->f_security pointer directly.
Provide a helper function that provides the security blob pointer.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index c2974b0..e0ac299 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -165,4 +165,9 @@ static inline struct task_security_struct *selinux_cred(const struct cred *cred)
return cred->security + selinux_blob_sizes.lbs_cred;
}
+static inline struct file_security_struct *selinux_file(const struct file *file)
+{
+ return file->f_security;
+}
+
#endif /* _SELINUX_OBJSEC_H_ */