Merge branch 'stable/xen-pcifront-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

* 'stable/xen-pcifront-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  MAINTAINERS: Mark XEN lists as moderated
  xen-pcifront: fix PCI reference leak
  xen-pcifront: Remove duplicate inclusion of headers.
  xen: fix memory leak in Xen PCI MSI/MSI-X allocator.
  MAINTAINERS: Update mailing list name for Xen pieces.

3 files changed, 11 insertions, 9 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 0094224ca79..6a16f21117d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6598,14 +6598,14 @@ F:	drivers/platform/x86
 
 XEN PCI SUBSYSTEM
 M:      Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-L:      xen-devel@lists.xensource.com
+L:      xen-devel@lists.xensource.com (moderated for non-subscribers)
 S:      Supported
 F:      arch/x86/pci/*xen*
 F:      drivers/pci/*xen*
 
 XEN SWIOTLB SUBSYSTEM
 M:      Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-L:      xen-devel@lists.xensource.com
+L:      xen-devel@lists.xensource.com (moderated for non-subscribers)
 S:      Supported
 F:      arch/x86/xen/*swiotlb*
 F:      drivers/xen/*swiotlb*
@@ -6613,7 +6613,7 @@ F:	drivers/xen/*swiotlb*
 XEN HYPERVISOR INTERFACE
 M:      Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
 M:      Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-L:      xen-devel@lists.xen.org
+L:      xen-devel@lists.xensource.com (moderated for non-subscribers)
 L:      virtualization@lists.osdl.org
 S:      Supported
 F:      arch/x86/xen/
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 117f5b8daf7..d7b5109f7a9 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -147,8 +147,10 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
                 irq = xen_allocate_pirq(v[i], 0, /* not sharable */
                         (type == PCI_CAP_ID_MSIX) ?
                         "pcifront-msi-x" : "pcifront-msi");
-                if (irq < 0)
-                        return -1;
+                if (irq < 0) {
+                        ret = -1;
+                        goto free;
+                }
 
                 ret = set_irq_msi(irq, msidesc);
                 if (ret)
@@ -164,7 +166,7 @@ error:
         if (ret == -ENODEV)
                 dev_err(&dev->dev, "Xen PCI frontend has not registered" \
                         " MSI/MSI-X support!\n");
-
+free:
         kfree(v);
         return ret;
 }
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index a87c4985326..3a5a6fcc0ea 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -13,7 +13,6 @@
 #include <linux/spinlock.h>
 #include <linux/pci.h>
 #include <linux/msi.h>
-#include <xen/xenbus.h>
 #include <xen/interface/io/pciif.h>
 #include <asm/xen/pci.h>
 #include <linux/interrupt.h>
@@ -576,8 +575,9 @@ static pci_ers_result_t pcifront_common_process(int cmd,
 
         pcidev = pci_get_bus_and_slot(bus, devfn);
         if (!pcidev || !pcidev->driver) {
-                dev_err(&pcidev->dev,
-                        "device or driver is NULL\n");
+                dev_err(&pdev->xdev->dev, "device or AER driver is NULL\n");
+                if (pcidev)
+                        pci_dev_put(pcidev);
                 return result;
         }
         pdrv = pcidev->driver;