Re: [PATCH] i2c: dev: prevent adapter retries and timeout being set as minus value

On Mon, Jan 07, 2019 at 08:37:41PM +0800, Yi Zeng wrote: > If set adapter->retries to minus value from user space via ioctl, > will make __i2c_transfer and __i2c_smbus_xfer jump the calling to > adapter->algo->master_xfer and adapter->algo->smbus_xfer that > registered by the underlying bus drivers

[PATCH] i2c: dev: prevent adapter retries and timeout being set as minus value

If set adapter->retries to minus value from user space via ioctl, will make __i2c_transfer and __i2c_smbus_xfer jump the calling to adapter->algo->master_xfer and adapter->algo->smbus_xfer that registered by the underlying bus drivers, and return value 0 to all the callers. The bus driver will neve