taglinefilesource code
lp_interrupt362drivers/char/lp.cret = request_irq(irq, lp_interrupt, SA_INTERRUPT, "printer", NULL);
lp_interrupt455drivers/char/lp.cif ((retval = request_irq(newirq, lp_interrupt, SA_INTERRUPT, "printer", NULL))) {
lp_interrupt458drivers/char/lp.crequest_irq(oldirq, lp_interrupt, SA_INTERRUPT, "printer", NULL);