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[Qemu-devel] [PATCH v10 15/19] vfio_platform: Updated to use vfio_set_ir
From: |
Kirti Wankhede |
Subject: |
[Qemu-devel] [PATCH v10 15/19] vfio_platform: Updated to use vfio_set_irqs_validate_and_prepare() |
Date: |
Thu, 27 Oct 2016 02:59:22 +0530 |
Updated vfio_platform_common.c file to use
vfio_set_irqs_validate_and_prepare()
Signed-off-by: Kirti Wankhede <address@hidden>
Signed-off-by: Neo Jia <address@hidden>
Change-Id: Id87cd6b78ae901610b39bf957974baa6f40cd7b0
---
drivers/vfio/platform/vfio_platform_common.c | 31 +++++++---------------------
1 file changed, 8 insertions(+), 23 deletions(-)
diff --git a/drivers/vfio/platform/vfio_platform_common.c
b/drivers/vfio/platform/vfio_platform_common.c
index d78142830754..4c27f4be3c3d 100644
--- a/drivers/vfio/platform/vfio_platform_common.c
+++ b/drivers/vfio/platform/vfio_platform_common.c
@@ -364,36 +364,21 @@ static long vfio_platform_ioctl(void *device_data,
struct vfio_irq_set hdr;
u8 *data = NULL;
int ret = 0;
+ size_t data_size = 0;
minsz = offsetofend(struct vfio_irq_set, count);
if (copy_from_user(&hdr, (void __user *)arg, minsz))
return -EFAULT;
- if (hdr.argsz < minsz)
- return -EINVAL;
-
- if (hdr.index >= vdev->num_irqs)
- return -EINVAL;
-
- if (hdr.flags & ~(VFIO_IRQ_SET_DATA_TYPE_MASK |
- VFIO_IRQ_SET_ACTION_TYPE_MASK))
- return -EINVAL;
-
- if (!(hdr.flags & VFIO_IRQ_SET_DATA_NONE)) {
- size_t size;
-
- if (hdr.flags & VFIO_IRQ_SET_DATA_BOOL)
- size = sizeof(uint8_t);
- else if (hdr.flags & VFIO_IRQ_SET_DATA_EVENTFD)
- size = sizeof(int32_t);
- else
- return -EINVAL;
-
- if (hdr.argsz - minsz < size)
- return -EINVAL;
+ ret = vfio_set_irqs_validate_and_prepare(&hdr, vdev->num_irqs,
+ vdev->num_irqs, &data_size);
+ if (ret)
+ return ret;
- data = memdup_user((void __user *)(arg + minsz), size);
+ if (data_size) {
+ data = memdup_user((void __user *)(arg + minsz),
+ data_size);
if (IS_ERR(data))
return PTR_ERR(data);
}
--
2.7.0
- Re: [Qemu-devel] [PATCH v10 10/19] vfio iommu: Add blocking notifier to notify DMA_UNMAP, (continued)
Re: [Qemu-devel] [PATCH v10 10/19] vfio iommu: Add blocking notifier to notify DMA_UNMAP, Jike Song, 2016/10/30
[Qemu-devel] [PATCH v10 11/19] vfio: Introduce common function to add capabilities, Kirti Wankhede, 2016/10/26
[Qemu-devel] [PATCH v10 12/19] vfio_pci: Update vfio_pci to use vfio_info_add_capability(), Kirti Wankhede, 2016/10/26
[Qemu-devel] [PATCH v10 13/19] vfio: Introduce vfio_set_irqs_validate_and_prepare(), Kirti Wankhede, 2016/10/26
[Qemu-devel] [PATCH v10 14/19] vfio_pci: Updated to use vfio_set_irqs_validate_and_prepare(), Kirti Wankhede, 2016/10/26
[Qemu-devel] [PATCH v10 15/19] vfio_platform: Updated to use vfio_set_irqs_validate_and_prepare(),
Kirti Wankhede <=
[Qemu-devel] [PATCH v10 16/19] vfio: Define device_api strings, Kirti Wankhede, 2016/10/26
[Qemu-devel] [PATCH v10 17/19] docs: Add Documentation for Mediated devices, Kirti Wankhede, 2016/10/26
[Qemu-devel] [PATCH v10 18/19] docs: Sysfs ABI for mediated device framework, Kirti Wankhede, 2016/10/26
[Qemu-devel] [PATCH v10 19/19] docs: Sample driver to demonstrate how to use Mediated device framework., Kirti Wankhede, 2016/10/26