331 	struct i2c_smbus_ioctl_data data_arg;  in i2cdev_ioctl_smbus()  local
335 	if (copy_from_user(&data_arg,  in i2cdev_ioctl_smbus()
339 	if ((data_arg.size != I2C_SMBUS_BYTE) &&  in i2cdev_ioctl_smbus()
340 	    (data_arg.size != I2C_SMBUS_QUICK) &&  in i2cdev_ioctl_smbus()
341 	    (data_arg.size != I2C_SMBUS_BYTE_DATA) &&  in i2cdev_ioctl_smbus()
342 	    (data_arg.size != I2C_SMBUS_WORD_DATA) &&  in i2cdev_ioctl_smbus()
343 	    (data_arg.size != I2C_SMBUS_PROC_CALL) &&  in i2cdev_ioctl_smbus()
344 	    (data_arg.size != I2C_SMBUS_BLOCK_DATA) &&  in i2cdev_ioctl_smbus()
345 	    (data_arg.size != I2C_SMBUS_I2C_BLOCK_BROKEN) &&  in i2cdev_ioctl_smbus()
346 	    (data_arg.size != I2C_SMBUS_I2C_BLOCK_DATA) &&  in i2cdev_ioctl_smbus()
347 	    (data_arg.size != I2C_SMBUS_BLOCK_PROC_CALL)) {  in i2cdev_ioctl_smbus()
350 			data_arg.size);  in i2cdev_ioctl_smbus()
355 	if ((data_arg.read_write != I2C_SMBUS_READ) &&  in i2cdev_ioctl_smbus()
356 	    (data_arg.read_write != I2C_SMBUS_WRITE)) {  in i2cdev_ioctl_smbus()
359 			data_arg.read_write);  in i2cdev_ioctl_smbus()
365 	if ((data_arg.size == I2C_SMBUS_QUICK) ||  in i2cdev_ioctl_smbus()
366 	    ((data_arg.size == I2C_SMBUS_BYTE) &&  in i2cdev_ioctl_smbus()
367 	    (data_arg.read_write == I2C_SMBUS_WRITE)))  in i2cdev_ioctl_smbus()
370 				      client->flags, data_arg.read_write,  in i2cdev_ioctl_smbus()
371 				      data_arg.command, data_arg.size, NULL);  in i2cdev_ioctl_smbus()
373 	if (data_arg.data == NULL) {  in i2cdev_ioctl_smbus()
379 	if ((data_arg.size == I2C_SMBUS_BYTE_DATA) ||  in i2cdev_ioctl_smbus()
380 	    (data_arg.size == I2C_SMBUS_BYTE))  in i2cdev_ioctl_smbus()
381 		datasize = sizeof(data_arg.data->byte);  in i2cdev_ioctl_smbus()
382 	else if ((data_arg.size == I2C_SMBUS_WORD_DATA) ||  in i2cdev_ioctl_smbus()
383 		 (data_arg.size == I2C_SMBUS_PROC_CALL))  in i2cdev_ioctl_smbus()
384 		datasize = sizeof(data_arg.data->word);  in i2cdev_ioctl_smbus()
386 		datasize = sizeof(data_arg.data->block);  in i2cdev_ioctl_smbus()
388 	if ((data_arg.size == I2C_SMBUS_PROC_CALL) ||  in i2cdev_ioctl_smbus()
389 	    (data_arg.size == I2C_SMBUS_BLOCK_PROC_CALL) ||  in i2cdev_ioctl_smbus()
390 	    (data_arg.size == I2C_SMBUS_I2C_BLOCK_DATA) ||  in i2cdev_ioctl_smbus()
391 	    (data_arg.read_write == I2C_SMBUS_WRITE)) {  in i2cdev_ioctl_smbus()
392 		if (copy_from_user(&temp, data_arg.data, datasize))  in i2cdev_ioctl_smbus()
395 	if (data_arg.size == I2C_SMBUS_I2C_BLOCK_BROKEN) {  in i2cdev_ioctl_smbus()
398 		data_arg.size = I2C_SMBUS_I2C_BLOCK_DATA;  in i2cdev_ioctl_smbus()
399 		if (data_arg.read_write == I2C_SMBUS_READ)  in i2cdev_ioctl_smbus()
403 	      data_arg.read_write, data_arg.command, data_arg.size, &temp);  in i2cdev_ioctl_smbus()
404 	if (!res && ((data_arg.size == I2C_SMBUS_PROC_CALL) ||  in i2cdev_ioctl_smbus()
405 		     (data_arg.size == I2C_SMBUS_BLOCK_PROC_CALL) ||  in i2cdev_ioctl_smbus()
406 		     (data_arg.read_write == I2C_SMBUS_READ))) {  in i2cdev_ioctl_smbus()
407 		if (copy_to_user(data_arg.data, &temp, datasize))  in i2cdev_ioctl_smbus()