[PATCH] Xen bug-fixes for 3.2 (v1)

[Konrad Rzeszutek Wilk]

Most of them were discovered by running Dan's static analyzer
(git://repo.or.cz/smatch.git). Some of them look/sound familiar
which probably means at some point somebody emailed me it and
I forgot it - if that is the case, please point me to it so I can
use that instead of these.

Please review.

Konrad Rzeszutek Wilk (9):
      xen/pciback: Do not dereference psdev during printk when it is NULL.
      xen/pciback: Return proper error code from sscanf.
      xen/pciback: Check if the device is found instead of blindly assuming so.
      xen/events: BUG() when we can't allocate our event->irq array.
      xen/events: Don't check the info for NULL as it is already done.
      xen/irq: If we fail during msi_capability_init return proper error code.
      xen/xenbus: Check before dereferencing it.
      xen/enlighten: Fix compile warnings.
      xen/p2m/debugfs: Fix potential pointer exception.

 arch/x86/pci/xen.c                        |   10 +++++++---
 arch/x86/xen/enlighten.c                  |    2 +-
 arch/x86/xen/p2m.c                        |    4 ++--
 drivers/xen/events.c                      |   11 +++++++----
 drivers/xen/xen-pciback/pci_stub.c        |   12 ++++++++----
 drivers/xen/xenbus/xenbus_probe_backend.c |    3 ++-
 6 files changed, 27 insertions(+), 15 deletions(-)
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