binderfs: handle !CONFIG_IPC_NS builds

kbuild reported a build faile in [1]. This is triggered when CONFIG_IPC_NS
is not set. So let's make the use of init_ipc_ns conditional on
CONFIG_IPC_NS being set.

[1]: https://lists.01.org/pipermail/kbuild-all/2019-January/056903.html

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c
index ad3ad2f..9518e2e 100644 (file)
--- a/drivers/android/binderfs.c
+++ b/drivers/android/binderfs.c
@@ -129,7 +129,11 @@ static int binderfs_binder_device_create(struct inode *ref_inode,
        struct inode *inode = NULL;
        struct super_block *sb = ref_inode->i_sb;
        struct binderfs_info *info = sb->s_fs_info;
+#if defined(CONFIG_IPC_NS)
        bool use_reserve = (info->ipc_ns == &init_ipc_ns);
+#else
+       bool use_reserve = true;
+#endif
 
        /* Reserve new minor number for the new device. */
        mutex_lock(&binderfs_minors_mutex);