From a883d6a0bcbff889c932015179a25a1b5ea8e096 Mon Sep 17 00:00:00 2001
From: Li Qiang <liq3ea@gmail.com>
Date: Sun, 28 Oct 2018 23:29:41 -0700
Subject: [PATCH] nvme: free cmbuf in nvme_exit
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This avoid a memory leak in unhotplug nvme device.

Signed-off-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 hw/block/nvme.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 359a06d0ad..09d7c90259 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -1332,6 +1332,9 @@ static void nvme_exit(PCIDevice *pci_dev)
     g_free(n->cq);
     g_free(n->sq);
 
+    if (n->cmb_size_mb) {
+        g_free(n->cmbuf);
+    }
     msix_uninit_exclusive_bar(pci_dev);
 }