VFIO updates for v5.17-rc1

- Fix sparse endian warnings in IGD code (Alex Williamson)
 
  - Balance kvzalloc with kvfree (Jiacheng Shi)
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Merge tag 'vfio-v5.17-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Fix sparse endian warnings in IGD code (Alex Williamson)

 - Balance kvzalloc with kvfree (Jiacheng Shi)

* tag 'vfio-v5.17-rc1' of git://github.com/awilliam/linux-vfio:
  vfio/iommu_type1: replace kfree with kvfree
  vfio/pci: Resolve sparse endian warnings in IGD support
This commit is contained in:
Linus Torvalds 2022-01-20 13:31:46 +02:00
commit c5a0b6e40d
2 changed files with 10 additions and 7 deletions

View File

@ -309,13 +309,14 @@ static ssize_t vfio_pci_igd_cfg_rw(struct vfio_pci_core_device *vdev,
if ((pos & 3) && size > 2) {
u16 val;
__le16 lval;
ret = pci_user_read_config_word(pdev, pos, &val);
if (ret)
return ret;
val = cpu_to_le16(val);
if (copy_to_user(buf + count - size, &val, 2))
lval = cpu_to_le16(val);
if (copy_to_user(buf + count - size, &lval, 2))
return -EFAULT;
pos += 2;
@ -324,13 +325,14 @@ static ssize_t vfio_pci_igd_cfg_rw(struct vfio_pci_core_device *vdev,
while (size > 3) {
u32 val;
__le32 lval;
ret = pci_user_read_config_dword(pdev, pos, &val);
if (ret)
return ret;
val = cpu_to_le32(val);
if (copy_to_user(buf + count - size, &val, 4))
lval = cpu_to_le32(val);
if (copy_to_user(buf + count - size, &lval, 4))
return -EFAULT;
pos += 4;
@ -339,13 +341,14 @@ static ssize_t vfio_pci_igd_cfg_rw(struct vfio_pci_core_device *vdev,
while (size >= 2) {
u16 val;
__le16 lval;
ret = pci_user_read_config_word(pdev, pos, &val);
if (ret)
return ret;
val = cpu_to_le16(val);
if (copy_to_user(buf + count - size, &val, 2))
lval = cpu_to_le16(val);
if (copy_to_user(buf + count - size, &lval, 2))
return -EFAULT;
pos += 2;

View File

@ -256,7 +256,7 @@ static int vfio_dma_bitmap_alloc(struct vfio_dma *dma, size_t pgsize)
static void vfio_dma_bitmap_free(struct vfio_dma *dma)
{
kfree(dma->bitmap);
kvfree(dma->bitmap);
dma->bitmap = NULL;
}