greybus: lights: remove has_flash on failure

If register to v4l2 fails just mark the light as not having flash so in
release we do not try to unregister.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c
index 6c5b999..4c46d14 100644 (file)
--- a/drivers/staging/greybus/light.c
+++ b/drivers/staging/greybus/light.c
@@ -1004,8 +1004,10 @@ static int gb_lights_light_register(struct gb_light *light)
 
        if (light->has_flash) {
                ret = gb_lights_light_v4l2_register(light);
-               if (ret < 0)
+               if (ret < 0) {
+                       light->has_flash = false;
                        return ret;
+               }
        }
 
        return 0;