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tx_thread in pi433 works for transmitting. it reads tx_cfg and data stored in kfifo put in pi433_write() and transmits. If it exits, pi433_write() just store its data and no one transmits data. So, tx_thread should not exit even when it failed for setting registers. It seems that it's okay to go to abort and continue to loop and wait for writing. Signed-off-by: Sidong Yang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>