don't use wrong buf offset for responding with PCI caps (#355)

Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
Signed-off-by: John Levon <john.levon@nutanix.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/pci.c b/lib/pci.c
index 8d40acb..f16f9dd 100644
--- a/lib/pci.c
+++ b/lib/pci.c
@@ -393,6 +393,7 @@ pci_config_space_access(vfu_ctx_t *vfu_ctx, char *buf, size_t count,
 
         offset += ret;
         count -= ret;
+        buf += ret;
     }
 
     return offset - start;