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Commit 41b9bb1b authored by Stefan Agner's avatar Stefan Agner Committed by Daniel Vetter
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drm/fb_cma_helper: do not free fbdev if there is none 



If fbdev emulation is not in use (or not built-in), fb_helper.fbdev
is NULL. Don't call calling drm_fbdev_cma_defio_fini in this case.

Signed-off-by: default avatarStefan Agner <stefan@agner.ch>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161020003221.2941-2-stefan@agner.ch
parent e3f56b29

drivers/gpu/drm/drm_fb_cma_helper.c

+2 −1
Original line number Diff line number Diff line
@@ -560,6 +560,7 @@ EXPORT_SYMBOL_GPL(drm_fbdev_cma_init); 
void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma)

{

	drm_fb_helper_unregister_fbi(&fbdev_cma->fb_helper);

	if (fbdev_cma->fb_helper.fbdev)

		drm_fbdev_cma_defio_fini(fbdev_cma->fb_helper.fbdev);

	drm_fb_helper_release_fbi(&fbdev_cma->fb_helper);