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vmwgfx: return -EFAULT instead of number of bytes remaining

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The intent here was to return an error code, but instead the code
returns the number of bytes remaining (that weren't copied).

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dan Carpenter 2011-10-18 09:09:19 +03:00 committed by Dave Airlie
parent bd8315c4a8
commit d2c184fb10
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
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@ -150,6 +150,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips));
if (ret) {
DRM_ERROR("Failed to copy clip rects from userspace.\n");
ret = -EFAULT;
goto out_no_copy;
}
@ -241,6 +242,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips));
if (ret) {
DRM_ERROR("Failed to copy clip rects from userspace.\n");
ret = -EFAULT;
goto out_no_copy;
}