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SubjectRe: [PATCH] USB: serial: drop bogus to_usb_serial_port() checks
On Mon, Feb 08, 2021 at 04:48:06PM +0100, Johan Hovold wrote:
> The to_usb_serial_port() macro is implemented using container_of() so
> there's no need to check for NULL.
> Note that neither bus match() or probe() is ever called with a NULL
> struct device pointer so the checks weren't just misplaced.
> Signed-off-by: Johan Hovold <>

Reviewed-by: Greg Kroah-Hartman <>

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