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authorCao jin <caoj.fnst@cn.fujitsu.com>2016-06-10 17:54:22 +0800
committerMichael S. Tsirkin <mst@redhat.com>2016-06-17 03:28:03 +0300
commit97fe42f19b989ecfd0c6a23b9c09dbc7159c7602 (patch)
tree4f4cccd747d84fa5ae7d212646b53f5b73a9bf06 /hw/pci/pci.c
parent4616e3592ba62dd44d62babd84b23f84f6b33ddb (diff)
downloadfocaccia-qemu-97fe42f19b989ecfd0c6a23b9c09dbc7159c7602.tar.gz
focaccia-qemu-97fe42f19b989ecfd0c6a23b9c09dbc7159c7602.zip
pci core: assert ENOSPC when add capability
ENOSPC is programming error, assert it for debugging.

cc: Michael S. Tsirkin <mst@redhat.com>
cc: Marcel Apfelbaum <marcel@redhat.com>
cc: Markus Armbruster <armbru@redhat.com>

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci/pci.c')
-rw-r--r--hw/pci/pci.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 87bea47e85..4b585f47b6 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -2228,10 +2228,8 @@ int pci_add_capability2(PCIDevice *pdev, uint8_t cap_id,
 
     if (!offset) {
         offset = pci_find_space(pdev, size);
-        if (!offset) {
-            error_setg(errp, "out of PCI config space");
-            return -ENOSPC;
-        }
+        /* out of PCI config space is programming error */
+        assert(offset);
     } else {
         /* Verify that capabilities don't overlap.  Note: device assignment
          * depends on this check to verify that the device is not broken.