On 10/18/2011 08:09 AM, Dan Carpenter wrote:
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@xxxxxxxxxx>
Reviewed-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 97f23ab..3f63435 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -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;
}
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