hotplug: safely iterate bus's sibling list while removing a device

Without this, I'm seeing a segfault when unpluging a NIC.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Patchworks-ID: 35519
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Mark McLoughlin 2009-10-08 19:58:18 +01:00 committed by Anthony Liguori
parent 3706c43f02
commit 9844937122
1 changed files with 2 additions and 2 deletions

View File

@ -695,11 +695,11 @@ static uint32_t pciej_read(void *opaque, uint32_t addr)
static void pciej_write(void *opaque, uint32_t addr, uint32_t val)
{
BusState *bus = opaque;
DeviceState *qdev;
DeviceState *qdev, *next;
PCIDevice *dev;
int slot = ffs(val) - 1;
QLIST_FOREACH(qdev, &bus->children, sibling) {
QLIST_FOREACH_SAFE(qdev, &bus->children, sibling, next) {
dev = DO_UPCAST(PCIDevice, qdev, qdev);
if (PCI_SLOT(dev->devfn) == slot) {
#if defined (TARGET_I386)