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| author | Alex Elder | 2013-05-07 00:40:32 +0200 |
|---|---|---|
| committer | Alex Elder | 2013-05-09 03:16:10 +0200 |
| commit | 91c6febb3817be576785ef06aeaaa8ed423e0a2a (patch) | |
| tree | da91f0eb4b61bc7e570d7422157927253a71c017 /drivers/block/rbd.c | |
| parent | rbd: define rbd_dev_v2_header_info() (diff) | |
| download | kernel-qcow2-linux-91c6febb3817be576785ef06aeaaa8ed423e0a2a.tar.gz kernel-qcow2-linux-91c6febb3817be576785ef06aeaaa8ed423e0a2a.tar.xz kernel-qcow2-linux-91c6febb3817be576785ef06aeaaa8ed423e0a2a.zip | |
rbd: fix an incorrect assertion condition
In rbd_img_obj_parent_read_full_callback() there is an assertion
intended to verify the size of the image request for a full parent
read was the size of the original request's target object. But
assertion was looking at the parent image order rather than the
original one, and these values can differ.
Fix that.
This resolves:
http://tracker.ceph.com/issues/4938
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'drivers/block/rbd.c')
| -rw-r--r-- | drivers/block/rbd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 0d874a546949..15ac2a54d4f3 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2186,13 +2186,13 @@ rbd_img_obj_parent_read_full_callback(struct rbd_img_request *img_request) result = img_request->result; obj_size = img_request->length; xferred = img_request->xferred; + rbd_img_request_put(img_request); - rbd_dev = img_request->rbd_dev; + rbd_assert(orig_request->img_request); + rbd_dev = orig_request->img_request->rbd_dev; rbd_assert(rbd_dev); rbd_assert(obj_size == (u64)1 << rbd_dev->header.obj_order); - rbd_img_request_put(img_request); - if (result) goto out_err; |