commit d710359c0b445e8c03e24f19ae2fb79ce7282260 upstream.
IIO trigger interface function iio_trigger_get() should be called after
iio_trigger_register() (or its devm analogue) strictly, because of
iio_trigger_get() acquires module refcnt based on the trigger->owner
pointer, which is initialized inside iio_trigger_register() to
THIS_MODULE.
If this call order is wrong, the next iio_trigger_put() (from sysfs
callback or "delete module" path) will dereference "default" module
refcnt, which is incorrect behaviour.
Fixes:
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.. | ||
ams-iaq-core.c | ||
atlas-ph-sensor.c | ||
bme680_core.c | ||
bme680_i2c.c | ||
bme680_spi.c | ||
bme680.h | ||
ccs811.c | ||
Kconfig | ||
Makefile | ||
pms7003.c | ||
sgp30.c | ||
sps30.c | ||
vz89x.c |