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Max Filippov authored
commit 362014c8 upstream. Simulator stdin may be connected to a file, when its end is reached kernel hangs in infinite loop inside rs_poll, because simc_poll always signals that descriptor 0 is readable and simc_read always returns 0. Check simc_read return value and exit loop if it's not positive. Also don't rewind polling timer if it's zero. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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