Re: [Qemu-devel] [PATCH 1/5] char: Let the caller know how many bytes were written in case of incomplete writes

[Paul Brook]

> There might be cases where a few bytes would have been sent out to char
> devices and some not. Currently the return values from qemu_chr_write()
> to char devs are only -1, indicating an error, or the complete length
> of the string passed.
> 
> Make 'len' a pointer instead, and indicate how much of the string was
> written. The return value will either be the same as 'len' or a negative
> number indicating an error condition.

This seems wrong. We should not be getting recoverable errors.

Paul