| From | Matias Bjørling <> | Subject | [PATCH 04/25] lightnvm: unlock rq and free ppa_list on submission fail | Date | Tue, 12 Jan 2016 07:49:18 +0100 |
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From: Wenwei Tao <ww.tao0320@gmail.com>
When rrpc_write_ppalist_rq and rrpc_read_ppalist_rq succeed, we setup rq correctly, but nvm_submit_io may afterward fail since it cannot allocate request or nvme_nvm_command, we return error but forget to cleanup the previous work.
Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com> Signed-off-by: Matias Bjørling <m@bjorling.me> --- drivers/lightnvm/rrpc.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index f4bc986..748cab49 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -845,6 +845,12 @@ 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; } -- 2.1.4
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