ovl: call secutiry hook in ovl_real_ioctl()
Verify LSM permissions for underlying file, since vfs_ioctl() doesn't do
it.
[Stephen Rothwell] export security_file_ioctl
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
diff --git a/security/security.c b/security/security.c
index 7fed24b..a674141 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1459,6 +1459,7 @@ int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
return call_int_hook(file_ioctl, 0, file, cmd, arg);
}
+EXPORT_SYMBOL_GPL(security_file_ioctl);
static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
{