Merge branch 'stable/bug.fixes-3.2' into linux-next

Merge branch 'stable/bug.fixes-3.2' into linux-next

* stable/bug.fixes-3.2:
  xen/p2m/debugfs: Fix potential pointer exception.
  xen/enlighten: Fix compile warnings.
  xen/xenbus: Check before dereferencing it.
  xen/irq: If we fail during msi_capability_init return proper error code.
  xen/events: Don't check the info for NULL as it is already done.
  xen/events: BUG() when we can't allocate our event->irq array.
  xen/pciback: Check if the device is found instead of blindly assuming so.
  xen/pciback: Return proper error code from sscanf.
  xen/pciback: Do not dereference psdev during printk when it is NULL.

Conflicts:
	drivers/xen/xen-pciback/pci_stub.c