[PATCH] pci-assign: Fix MSI-X MMIO page registration

[Jan Kiszka <jan.kiszka@siemens.com>]

The MSI-X page must start below the address that comes after the end of
a region. Otherwise we risk to register it twice. This bug existed since
day #1 of the MSI-X support and was now reveal by

memory.c:1201: memory_region_add_subregion_common: Assertion `!subregion->parent' failed.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 hw/device-assignment.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/hw/device-assignment.c b/hw/device-assignment.c
index 054b059..11efd16 100644
--- a/hw/device-assignment.c
+++ b/hw/device-assignment.c
@@ -246,7 +246,7 @@ static void assigned_dev_iomem_setup(PCIDevice *pci_dev, int region_num,
 
         /* deal with MSI-X MMIO page */
         if (real_region->base_addr <= r_dev->msix_table_addr &&
-                real_region->base_addr + real_region->size >=
+                real_region->base_addr + real_region->size >
                 r_dev->msix_table_addr) {
             int offset = r_dev->msix_table_addr - real_region->base_addr;
 
-- 
1.7.3.4