diff options
| author | Gonglei <arei.gonglei@huawei.com> | 2014-04-03 13:18:23 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-05-13 13:12:04 +0200 |
| commit | ee11f7a8227bcd9cb8d8141fa8f6a0352f7c0c68 (patch) | |
| tree | 2e0273b088f9692a8fbad878eaf292914d5fcf44 /hw | |
| parent | ada4135f84adcacd9294269e22113460650ae1ab (diff) | |
pci-assign: Fix a bug when map MSI-X table memory failed
When mmapping memory for the MSI-X table failsthe dev->msix_table is
not set to NULL and assigned_dev_unregister_msix_mmio() will cause
a segfault when trying to munmap it.
Signed-off-by: Gonglei Arei <arei.gonglei@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/i386/kvm/pci-assign.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c index e55421adcd..0572821f21 100644 --- a/hw/i386/kvm/pci-assign.c +++ b/hw/i386/kvm/pci-assign.c @@ -1664,6 +1664,7 @@ static void assigned_dev_register_msix_mmio(AssignedDevice *dev, Error **errp) MAP_ANONYMOUS|MAP_PRIVATE, 0, 0); if (dev->msix_table == MAP_FAILED) { error_setg_errno(errp, errno, "failed to allocate msix_table"); + dev->msix_table = NULL; return; } |