On 01/22/2017 03:25 PM, Jonathan Cameron wrote: > On 20/01/17 03:47, Alison Schofield wrote: >> These stand-alone trigger drivers were using iio_trigger_put() >> where they should have been using iio_trigger_free(). The >> iio_trigger_put() adds a module_put which is bad since they >> never did a module_get. >> >> In the sysfs driver, module_get/put's are used as triggers are >> added & removed. This extra module_put() occurs on an error path >> in the probe routine (probably rare). >> >> In the bfin-timer & interrupt trigger drivers, the module resources >> are not explicitly managed, so it's doing a put on something that >> was never get'd. It occurs on the probe error path and on the >> remove path (not so rare). >> >> Tested with the sysfs trigger driver. >> The bfin & interrupt drivers were build tested & inspected only. >> >> Signed-off-by: Alison Schofield <amsfield22@xxxxxxxxx> > This is certainly more consistent. > Lars, could you sanity check as well given the bfin timer is > in here. looks good. -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
