From 2a3757a66aad487b64afb8935015c408fd9fdcbb Mon Sep 17 00:00:00 2001
From: wangmeiyang <wangmeiyang@xfusion.com>
Date: Fri, 28 Apr 2023 12:01:45 +0800
Subject: [PATCH] hw/nvme: fix memory leak in nvme_dsm
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The iocb (and the allocated memory to hold LBA ranges) leaks if reading
the LBA ranges fails.

Fix this by adding a free and an unref of the iocb.

origin commit: https://gitlab.com/qemu-project/qemu/-/commit/4b32319cdacd99be983e1a74128289ef52c5964e
Signed-off-by: Meiyang Wang <wangmeiyang@xfusion.com>
Reported-by: Coverity (CID 1508281)
Fixes: d7d1474fd85d ("hw/nvme: reimplement dsm to allow cancellation")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/nvme/ctrl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 40fbda3b03..5f1515828b 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -2381,6 +2381,9 @@ static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req)
         status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr,
                           req);
         if (status) {
+            g_free(iocb->range);
+            qemu_aio_unref(iocb);
+
             return status;
         }
 
-- 
2.27.0