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Commit d67d4be5 authored by Alex Elder's avatar Alex Elder Committed by Sage Weil
Browse files

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: default avatarAlex Elder <elder@inktank.com>
Reviewed-by: default avatarJosh Durgin <josh.durgin@inktank.com>
parent 57cfc106

drivers/block/rbd.c

+1 −2
Original line number Diff line number Diff line
@@ -1668,7 +1668,6 @@ static int rbd_header_add_snap(struct rbd_device *rbd_dev, 
	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 @@ static int rbd_header_add_snap(struct rbd_device *rbd_dev, 


	ret = rbd_req_sync_exec(rbd_dev, rbd_dev->header_name,

				"rbd", "snap_add",

				data, p - data, &ver);

				data, p - data, NULL);



	kfree(data);