Hi Daniel,
Thank you for the patch.
On Tuesday 18 Apr 2017 14:11:20 Daniel Vetter wrote:
> All the error codes we (ab)use are strictly not the right ones (since
> they're all for the vfs, and the only thing we're allowed to do from
> an ioctl is EINVAL). But ENOENT is the common error code for failed to
> look up an object throughout drm, so let's use it in the cma helpers,
> too.
Regardless of which is best, it's true that ENOENT is used through the DRM
code, so
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Someone should however mention that this changes the userspace API. I'll let
you decide whether to ignore that comment :-)
> Cc: Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> ---
> drivers/gpu/drm/drm_fb_cma_helper.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c
> b/drivers/gpu/drm/drm_fb_cma_helper.c index d2b77b02830d..53f9bdf470d7
> 100644
> --- a/drivers/gpu/drm/drm_fb_cma_helper.c
> +++ b/drivers/gpu/drm/drm_fb_cma_helper.c
> @@ -189,7 +189,7 @@ struct drm_framebuffer
> *drm_fb_cma_create_with_funcs(struct drm_device *dev, obj =
> drm_gem_object_lookup(file_priv, mode_cmd->handles[i]);
> if (!obj) {
> dev_err(dev->dev, "Failed to lookup GEM object\n");
> - ret = -ENXIO;
> + ret = -ENOENT;
> goto err_gem_object_put;
> }
--
Regards,
Laurent Pinchart
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