On Mon, Dec 1, 2014 at 1:23 PM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Mon, 1 Dec 2014 11:18:21 +0100
>
> The ceph_put_snap_context() function tests whether its argument is NULL
> and then returns immediately. Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/block/rbd.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
> index 27b71a0..3c34ab5 100644
> --- a/drivers/block/rbd.c
> +++ b/drivers/block/rbd.c
> @@ -3405,8 +3405,7 @@ err_rq:
> if (result)
> rbd_warn(rbd_dev, "%s %llx at %llx result %d",
> obj_op_name(op_type), length, offset, result);
> - if (snapc)
> - ceph_put_snap_context(snapc);
> + ceph_put_snap_context(snapc);
> blk_end_request_all(rq, result);
> }
>
I squashed it into your "ceph: Deletion of unnecessary checks before two
function calls", which deals with ceph_put_snap_context() in fs/ceph.
Thanks,
Ilya
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