I2C_VERIFY_ADAPTER(9) I2C and SMBus Subsystem I2C_VERIFY_ADAPTER(9)NAMEi2c_verify_adapter - return parameter as i2c_adapter or NULL
SYNOPSIS
struct i2c_adapter * i2c_verify_adapter(struct device * dev);
ARGUMENTS
dev
device, probably from some driver model iterator
DESCRIPTION
When traversing the driver model tree, perhaps using driver model
iterators like device_for_each_child(), you can't assume very much
about the nodes you find. Use this function to avoid oopses caused by
wrongly treating some non-I2C device as an i2c_adapter.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 I2C_VERIFY_ADAPTER(9)