rbd: pass null version pointer in add_snap()
rbd_header_add_snap() passes the address of a version variable to
rbd_req_sync_exec(), but it ignores the result. Just pass a null
pointer instead.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 28670c0..e1fa12b 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1668,7 +1668,6 @@
u64 new_snapid;
int ret;
void *data, *p, *e;
- u64 ver;
struct ceph_mon_client *monc;
/* we should create a snapshot only if we're pointing at the head */
@@ -1693,7 +1692,7 @@
ret = rbd_req_sync_exec(rbd_dev, rbd_dev->header_name,
"rbd", "snap_add",
- data, p - data, &ver);
+ data, p - data, NULL);
kfree(data);