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[Qemu-devel] [PATCH] xio3130_downstream: Report error if pcie_chassis_ad


From: Eduardo Habkost
Subject: [Qemu-devel] [PATCH] xio3130_downstream: Report error if pcie_chassis_add_slot() failed
Date: Fri, 25 Aug 2017 16:54:06 -0300

On commit f8cd1b02 ("pci: Convert to realize"), no error_set*()
call was added for the pcie_chassis_add_slot() error case.
pcie_chassis_add_slot() errors get ignored, making QEMU crash
later.  e.g.:

  $ qemu-system-x86_64 -device ioh3420 -device xio3130-downstream
  qemu-system-x86_64: memory.c:2166: memory_region_del_subregion: Assertion 
`subregion->container == mr' failed.
  Aborted (core dumped)

Fix it by reporting the error using error_setg().

Fixes: f8cd1b0201c41d88bb97dcafb80348a0e88d8805
Signed-off-by: Eduardo Habkost <address@hidden>
---
 hw/pci-bridge/xio3130_downstream.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/pci-bridge/xio3130_downstream.c 
b/hw/pci-bridge/xio3130_downstream.c
index e706f36..5a882b0 100644
--- a/hw/pci-bridge/xio3130_downstream.c
+++ b/hw/pci-bridge/xio3130_downstream.c
@@ -94,6 +94,7 @@ static void xio3130_downstream_realize(PCIDevice *d, Error 
**errp)
     pcie_chassis_create(s->chassis);
     rc = pcie_chassis_add_slot(s);
     if (rc < 0) {
+        error_setg(errp, "Can't add chassis slot, error %d", rc);
         goto err_pcie_cap;
     }
 
-- 
2.9.4




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