3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Yan, Zheng" <redacted>

(cherry picked from commit f9f9a1904467816452fc70740165030e84c2c659)

ceph_snap_context->snaps is an u64 array

Signed-off-by: Zheng Yan <redacted>
Reviewed-by: Alex Elder <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/block/rbd.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c

@@ -497,7 +497,7 @@ static int rbd_header_from_disk(struct r
 
 	snap_count = le32_to_cpu(ondisk->snap_count);
 	header->snapc = kmalloc(sizeof(struct ceph_snap_context) +
-				snap_count * sizeof (*ondisk),
+				snap_count * sizeof(u64),
 				gfp_flags);
 	if (!header->snapc)
 		return -ENOMEM;