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[v8,01/17] pci core: assert ENOSPC when add capability

Message ID 1465552478-5540-2-git-send-email-caoj.fnst@cn.fujitsu.com (mailing list archive)
State New, archived
Headers show

Commit Message

Cao jin June 10, 2016, 9:54 a.m. UTC 
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>
---
 hw/pci/pci.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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Patch

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 06d3117..26f387c 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -2152,10 +2152,8 @@  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.