[PATCH v2 3/3] fs: ubifs: set s_uuid in super block

From: Oleksij Rempel
Date: Tue Apr 11 2017 - 05:52:13 EST


From: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>

This is need to provide uuid based integrity functionlity for:
imy_policy (fsuuid option) and evmctl (--uuid option).

Signed-off-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
---
fs/ubifs/super.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index bff1e8d6f7bd..a584b2f2b11d 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2077,6 +2077,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
err = -ENOMEM;
goto out_umount;
}
+ memcpy(&sb->s_uuid, &c->uuid, sizeof(c->uuid));

mutex_unlock(&c->umount_mutex);
return 0;
--
2.11.0