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-rw-r--r--drivers/vfio/mdev/mdev_sysfs.c2
-rw-r--r--drivers/vfio/pci/vfio_pci_nvlink2.c8
-rw-r--r--drivers/vfio/platform/reset/vfio_platform_amdxgbe.c4
-rw-r--r--drivers/vfio/vfio_iommu_spapr_tce.c2
4 files changed, 9 insertions, 7 deletions
diff --git a/drivers/vfio/mdev/mdev_sysfs.c b/drivers/vfio/mdev/mdev_sysfs.c
index 7570c7602ab4..8ad14e5c02bf 100644
--- a/drivers/vfio/mdev/mdev_sysfs.c
+++ b/drivers/vfio/mdev/mdev_sysfs.c
@@ -74,7 +74,7 @@ static ssize_t create_store(struct kobject *kobj, struct device *dev,
return count;
}
-MDEV_TYPE_ATTR_WO(create);
+static MDEV_TYPE_ATTR_WO(create);
static void mdev_type_release(struct kobject *kobj)
{
diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c
index f2983f0f84be..df4d96038cd4 100644
--- a/drivers/vfio/pci/vfio_pci_nvlink2.c
+++ b/drivers/vfio/pci/vfio_pci_nvlink2.c
@@ -97,8 +97,10 @@ static void vfio_pci_nvgpu_release(struct vfio_pci_device *vdev,
/* If there were any mappings at all... */
if (data->mm) {
- ret = mm_iommu_put(data->mm, data->mem);
- WARN_ON(ret);
+ if (data->mem) {
+ ret = mm_iommu_put(data->mm, data->mem);
+ WARN_ON(ret);
+ }
mmdrop(data->mm);
}
@@ -159,7 +161,7 @@ static int vfio_pci_nvgpu_mmap(struct vfio_pci_device *vdev,
data->useraddr = vma->vm_start;
data->mm = current->mm;
- atomic_inc(&data->mm->mm_count);
+ mmgrab(data->mm);
ret = (int) mm_iommu_newdev(data->mm, data->useraddr,
vma_pages(vma), data->gpu_hpa, &data->mem);
diff --git a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
index 40d4fb9276ba..abdca900802d 100644
--- a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
+++ b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
@@ -24,7 +24,7 @@
#define MDIO_AN_INT 0x8002
#define MDIO_AN_INTMASK 0x8001
-static unsigned int xmdio_read(void *ioaddr, unsigned int mmd,
+static unsigned int xmdio_read(void __iomem *ioaddr, unsigned int mmd,
unsigned int reg)
{
unsigned int mmd_address, value;
@@ -35,7 +35,7 @@ static unsigned int xmdio_read(void *ioaddr, unsigned int mmd,
return value;
}
-static void xmdio_write(void *ioaddr, unsigned int mmd,
+static void xmdio_write(void __iomem *ioaddr, unsigned int mmd,
unsigned int reg, unsigned int value)
{
unsigned int mmd_address;
diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c
index 26cef65b41e7..16b3adc508db 100644
--- a/drivers/vfio/vfio_iommu_spapr_tce.c
+++ b/drivers/vfio/vfio_iommu_spapr_tce.c
@@ -79,7 +79,7 @@ static long tce_iommu_mm_set(struct tce_container *container)
}
BUG_ON(!current->mm);
container->mm = current->mm;
- atomic_inc(&container->mm->mm_count);
+ mmgrab(container->mm);
return 0;
}