From: Maxim Levitsky <mlevitsk@redhat.com>
To: Klaus Jensen <its@irrelevant.dk>, qemu-devel@nongnu.org
Cc: Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>,
qemu-block@nongnu.org, Klaus Jensen <k.jensen@samsung.com>,
Max Reitz <mreitz@redhat.com>,
Andrzej Jakowski <andrzej.jakowski@linux.intel.com>,
Minwoo Im <minwoo.im.dev@gmail.com>,
Keith Busch <kbusch@kernel.org>
Subject: Re: [PATCH v2 05/16] hw/block/nvme: destroy request iov before reuse
Date: Thu, 30 Jul 2020 13:43:23 +0300 [thread overview]
Message-ID: <f7af23aa1d4c147d147674fd668ccb4fd2c0e77d.camel@redhat.com> (raw)
In-Reply-To: <20200729220638.344477-6-its@irrelevant.dk>
On Thu, 2020-07-30 at 00:06 +0200, Klaus Jensen wrote:
> From: Klaus Jensen <k.jensen@samsung.com>
>
> Make sure the request iov is destroyed before reuse; fixing a memory
> leak.
>
> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
> ---
> hw/block/nvme.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/hw/block/nvme.c b/hw/block/nvme.c
> index a9d9a2912655..8f8257e06eed 100644
> --- a/hw/block/nvme.c
> +++ b/hw/block/nvme.c
> @@ -554,6 +554,10 @@ static void nvme_rw_cb(void *opaque, int ret)
> if (req->qsg.nalloc) {
> qemu_sglist_destroy(&req->qsg);
> }
> + if (req->iov.nalloc) {
> + qemu_iovec_destroy(&req->iov);
> + }
> +
> nvme_enqueue_req_completion(cq, req);
> }
>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Best regards,
Maxim Levitsky
next prev parent reply other threads:[~2020-07-30 10:44 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-29 22:06 [PATCH v2 00/16] hw/block/nvme: dma handling and address mapping cleanup Klaus Jensen
2020-07-29 22:06 ` [PATCH v2 01/16] hw/block/nvme: memset preallocated requests structures Klaus Jensen
2020-07-30 10:14 ` Minwoo Im
2020-07-29 22:06 ` [PATCH v2 02/16] hw/block/nvme: add mapping helpers Klaus Jensen
2020-07-29 22:06 ` [PATCH v2 03/16] hw/block/nvme: replace dma_acct with blk_acct equivalent Klaus Jensen
2020-07-29 22:06 ` [PATCH v2 04/16] hw/block/nvme: remove redundant has_sg member Klaus Jensen
2020-07-30 10:15 ` Minwoo Im
2020-07-30 10:43 ` Maxim Levitsky
2020-07-29 22:06 ` [PATCH v2 05/16] hw/block/nvme: destroy request iov before reuse Klaus Jensen
2020-07-30 10:16 ` Minwoo Im
2020-07-30 10:43 ` Maxim Levitsky [this message]
2020-07-29 22:06 ` [PATCH v2 06/16] hw/block/nvme: refactor dma read/write Klaus Jensen
2020-07-29 22:06 ` [PATCH v2 07/16] hw/block/nvme: add tracing to nvme_map_prp Klaus Jensen
2020-07-30 10:17 ` Minwoo Im
2020-07-30 10:45 ` Maxim Levitsky
2020-07-29 22:06 ` [PATCH v2 08/16] hw/block/nvme: add request mapping helper Klaus Jensen
2020-07-30 10:19 ` Minwoo Im
2020-07-29 22:06 ` [PATCH v2 09/16] hw/block/nvme: verify validity of prp lists in the cmb Klaus Jensen
2020-07-29 22:06 ` [PATCH v2 10/16] hw/block/nvme: refactor request bounds checking Klaus Jensen
2020-07-29 22:06 ` [PATCH v2 11/16] hw/block/nvme: add check for mdts Klaus Jensen
2020-07-29 22:06 ` [PATCH v2 12/16] hw/block/nvme: be consistent about zeros vs zeroes Klaus Jensen
2020-07-29 22:06 ` [PATCH v2 13/16] hw/block/nvme: add ns/cmd references in NvmeRequest Klaus Jensen
2020-07-29 22:06 ` [PATCH v2 14/16] hw/block/nvme: consolidate qsg/iov clearing Klaus Jensen
2020-07-30 10:31 ` Minwoo Im
2020-07-30 11:02 ` Maxim Levitsky
2020-07-30 11:09 ` Klaus Jensen
2020-07-30 12:26 ` Minwoo Im
2020-07-29 22:06 ` [PATCH v2 15/16] hw/block/nvme: use preallocated qsg/iov in nvme_dma_prp Klaus Jensen
2020-07-30 10:29 ` Minwoo Im
2020-07-29 22:06 ` [PATCH v2 16/16] hw/block/nvme: remove explicit qsg/iov parameters Klaus Jensen
2020-07-30 10:30 ` Minwoo Im
2020-07-30 11:03 ` Maxim Levitsky
2020-08-17 6:45 ` [PATCH v2 00/16] hw/block/nvme: dma handling and address mapping cleanup Klaus Jensen
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