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drm: Propagate error code from fb_create()

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Change the interface to expect a PTR_ERR specifing the real error code
as opposed to assuming a NULL return => -EINVAL. Just once the user may
not be at fault!

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Chris Wilson
2010-08-08 13:36:38 +01:00
committed by Dave Airlie
parent 0d18abedfa
commit cce13ff759
6 changed files with 18 additions and 17 deletions
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8
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
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@@ -737,7 +737,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
if (ret) {
DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
return NULL;
return ERR_PTR(ret);
}
return &vfb->base;
@@ -747,7 +747,7 @@ try_dmabuf:
ret = vmw_user_dmabuf_lookup(tfile, mode_cmd->handle, &bo);
if (ret) {
DRM_ERROR("failed to find buffer: %i\n", ret);
return NULL;
return ERR_PTR(-ENOENT);
}
ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
@@ -758,7 +758,7 @@ try_dmabuf:
if (ret) {
DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
return NULL;
return ERR_PTR(ret);
}
return &vfb->base;
@@ -768,7 +768,7 @@ err_not_scanout:
/* vmw_user_surface_lookup takes one ref */
vmw_surface_unreference(&surface);
return NULL;
return ERR_PTR(-EINVAL);
}
static struct drm_mode_config_funcs vmw_kms_funcs = {