Merge tag 'vfio-v4.10-rc7' of git://github.com/awilliam/linux-vfio

Pull VFIO fix from Alex Williamson:
 "Fix an error path in SPAPR IOMMU backend (Alexey Kardashevskiy)"

* tag 'vfio-v4.10-rc7' of git://github.com/awilliam/linux-vfio:
  vfio/spapr: Fix missing mutex unlock when creating a window

diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c
index 128d10282d1632693dc40819ff8b39485ba1e1de..7690e5bf3cf134fc56a0a17d07e57d397d293346 100644 (file)
--- a/drivers/vfio/vfio_iommu_spapr_tce.c
+++ b/drivers/vfio/vfio_iommu_spapr_tce.c
@@ -1123,12 +1123,11 @@ static long tce_iommu_ioctl(void *iommu_data,
                mutex_lock(&container->lock);
 
                ret = tce_iommu_create_default_window(container);
-               if (ret)
-                       return ret;
-
-               ret = tce_iommu_create_window(container, create.page_shift,
-                               create.window_size, create.levels,
-                               &create.start_addr);
+               if (!ret)
+                       ret = tce_iommu_create_window(container,
+                                       create.page_shift,
+                                       create.window_size, create.levels,
+                                       &create.start_addr);
 
                mutex_unlock(&container->lock);