This patch is based on [PATCH] lightnvm: fix bio submission issue
https://lkml.org/lkml/2015/12/9/394
2015-12-21 15:32 GMT+08:00 Wenwei Tao <ww.tao0...@gmail.com>:
> after io submission failed, before free rq, delete rq from
> rrpc's inflight list, leave no bad item in the list. And
> free rq's ppa_list to avoid memory leak.
>
> Signed-off-by: Wenwei Tao <ww.tao0...@gmail.com>
> ---
> drivers/lightnvm/rrpc.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
> index a1e7488..c0886a8 100644
> --- a/drivers/lightnvm/rrpc.c
> +++ b/drivers/lightnvm/rrpc.c
> @@ -843,6 +843,12 @@ static int rrpc_submit_io(struct rrpc *rrpc, struct bio
> *bio,
> if (err) {
> pr_err("rrpc: I/O submission failed: %d\n", err);
> bio_put(bio);
> + if (!(flags & NVM_IOTYPE_GC)) {
> + rrpc_unlock_rq(rrpc, rqd);
> + if (rqd->nr_pages > 1)
> + nvm_dev_dma_free(rrpc->dev,
> + rqd->ppa_list, rqd->dma_ppa_list);
> + }
> return NVM_IO_ERR;
> }
>
> --
> 1.8.3.1
>
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