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

Oleksij Rempel o.rempel at pengutronix.de
Tue Apr 11 02:50:55 PDT 2017


From: Steffen Trumtrar <s.trumtrar at pengutronix.de>

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 at pengutronix.de>
Signed-off-by: Oleksij Rempel <o.rempel at pengutronix.de>
---
 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




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