Sorry, I forgot to add the Reviewed-by information, I will send patch v3.
On 2020/11/25 9:25, Alex Chen wrote:
> The 'elem' is allocated memory in vu_queue_pop(), and its memory should be
> freed in all error branches after vu_queue_pop().
> In addition, in order to free the 'elem' memory outside of while(1) loop, move
> the definition of 'elem' to the beginning of vus_proc_req().
>
> Reported-by: Euler Robot <euler.ro...@huawei.com>
> Signed-off-by: Alex Chen <alex.c...@huawei.com>
> ---
> contrib/vhost-user-scsi/vhost-user-scsi.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/contrib/vhost-user-scsi/vhost-user-scsi.c
> b/contrib/vhost-user-scsi/vhost-user-scsi.c
> index 0f9ba4b2a2..4639440a70 100644
> --- a/contrib/vhost-user-scsi/vhost-user-scsi.c
> +++ b/contrib/vhost-user-scsi/vhost-user-scsi.c
> @@ -232,6 +232,7 @@ static void vus_proc_req(VuDev *vu_dev, int idx)
> VugDev *gdev;
> VusDev *vdev_scsi;
> VuVirtq *vq;
> + VuVirtqElement *elem = NULL;
>
> assert(vu_dev);
>
> @@ -248,7 +249,6 @@ static void vus_proc_req(VuDev *vu_dev, int idx)
> g_debug("Got kicked on vq[%d]@%p", idx, vq);
>
> while (1) {
> - VuVirtqElement *elem;
> VirtIOSCSICmdReq *req;
> VirtIOSCSICmdResp *rsp;
>
> @@ -288,6 +288,7 @@ static void vus_proc_req(VuDev *vu_dev, int idx)
>
> free(elem);
> }
> + free(elem);
> }
>
> static void vus_queue_set_started(VuDev *vu_dev, int idx, bool started)
>