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Sinc commit79a6d1bfe1("can: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb_submit_urb() error") a failing resubmit URB will print an info message. In the case of a short read where netdev has not yet been assigned, initialize as NULL to avoid dereferencing an undefined value. Also report the error value of the failed resubmit. Fixes:79a6d1bfe1("can: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb_submit_urb() error") Reported-by: Jakub Kicinski <kuba@kernel.org> Closes: https://lore.kernel.org/all/20260119181904.1209979-1-kuba@kernel.org/ Link: https://patch.msgid.link/20260120-gs_usb-fix-error-message-v1-1-6be04de572bc@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>