diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-03-18 12:01:48 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-03-18 12:01:48 +0800 |
| commit | 421a8ddd1fc901897eee73965b442af4b4dd7095 (patch) | |
| tree | e9bd7aef46f35c1857700b9c52ad24f6a68f957c /drivers/vfio/pci/vfio_pci.c | |
| parent | 82211c838b558293e48c8fcd816f6609ebc7e4b3 (diff) | |
| parent | d439e869d612dd7a338ac75a4afc3646a5e67370 (diff) | |
Merge tag 'v3.18.29' into linux-linaro-lsk-v3.18lsk-v3.18-16.03
This is the 3.18.29 stable release
Diffstat (limited to 'drivers/vfio/pci/vfio_pci.c')
| -rw-r--r-- | drivers/vfio/pci/vfio_pci.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 2f8a0552d020..bc7bc4e26c89 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -375,7 +375,8 @@ static long vfio_pci_ioctl(void *device_data, info.num_regions = VFIO_PCI_NUM_REGIONS; info.num_irqs = VFIO_PCI_NUM_IRQS; - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_DEVICE_GET_REGION_INFO) { struct pci_dev *pdev = vdev->pdev; @@ -448,7 +449,8 @@ static long vfio_pci_ioctl(void *device_data, return -EINVAL; } - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_DEVICE_GET_IRQ_INFO) { struct vfio_irq_info info; @@ -482,7 +484,8 @@ static long vfio_pci_ioctl(void *device_data, else info.flags |= VFIO_IRQ_INFO_NORESIZE; - return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? + -EFAULT : 0; } else if (cmd == VFIO_DEVICE_SET_IRQS) { struct vfio_irq_set hdr; |