From: Klaus Jensen <k.jen...@samsung.com>

If a controller is linked to a subsystem, do not allow it to be
hotplugged since this will mess up the (possibly shared) namespaces.

Signed-off-by: Klaus Jensen <k.jen...@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 5fe082ec34c5..7606b58a39b9 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -6140,12 +6140,16 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice 
*pci_dev)
 
 static int nvme_init_subsys(NvmeCtrl *n, Error **errp)
 {
+    DeviceClass *dc;
     int cntlid;
 
     if (!n->subsys) {
         return 0;
     }
 
+    dc = DEVICE_GET_CLASS(n);
+    dc->hotpluggable = false;
+
     cntlid = nvme_subsys_register_ctrl(n, errp);
     if (cntlid < 0) {
         return -1;
-- 
2.31.1


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