ivshmem: Convert to msix_init_exclusive_bar() interface

Trivial conversion, failed to have an uninit before and after.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 3 insertions, 7 deletions

diff --git a/hw/ivshmem.c b/hw/ivshmem.c
index 05559b639c..8b49eee8e9 100644
--- a/hw/ivshmem.c
+++ b/hw/ivshmem.c
@@ -70,7 +70,6 @@ typedef struct IVShmemState {
      */
     MemoryRegion bar;
     MemoryRegion ivshmem;
-    MemoryRegion msix_bar;
     uint64_t ivshmem_size; /* size of shared memory region */
     int shm_fd; /* shared memory file descriptor */
 
@@ -563,16 +562,13 @@ static uint64_t ivshmem_get_size(IVShmemState * s) {
 
 static void ivshmem_setup_msi(IVShmemState * s)
 {
-    memory_region_init(&s->msix_bar, "ivshmem-msix", 4096);
-    if (!msix_init(&s->dev, s->vectors, &s->msix_bar, 1, 0)) {
-        pci_register_bar(&s->dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY,
-                         &s->msix_bar);
-        IVSHMEM_DPRINTF("msix initialized (%d vectors)\n", s->vectors);
-    } else {
+    if (msix_init_exclusive_bar(&s->dev, s->vectors, 1)) {
         IVSHMEM_DPRINTF("msix initialization failed\n");
         exit(1);
     }
 
+    IVSHMEM_DPRINTF("msix initialized (%d vectors)\n", s->vectors);
+
     /* allocate QEMU char devices for receiving interrupts */
     s->eventfd_table = g_malloc0(s->vectors * sizeof(EventfdEntry));