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When we can't allocate a new channel, we can simply return instead of having to handle both cases, and that simplifies a bit the code. Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20201204151138.1739736-4-maxime@cerno.tech