vitalif
/
mirror_qemu
mirror of https://github.com/proxmox/mirror_qemu
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
master
Gonglei 2014-04-03 13:18:23 +08:00 committed by Paolo Bonzini
parent ada4135f84
commit ee11f7a822
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
hw/i386/kvm/pci-assign.c
View File

@ -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;
}