Re: [01/15] powerpc/powernv: opal_put_chars partial write fix
From: Michael Ellerman
Date: Tue Jul 24 2018 - 09:59:52 EST
On Mon, 2018-04-30 at 14:55:44 UTC, Nicholas Piggin wrote:
> The intention here is to consume and discard the remaining buffer
> upon error. This works if there has not been a previous partial write.
> If there has been, then total_len is no longer total number of bytes
> to copy. total_len is always "bytes left to copy", so it should be
> added to written bytes.
>
> This code may not be exercised any more if partial writes will not be
> hit, but this is a small bugfix before a larger change.
>
> Reviewed-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>
Patches 1-9 applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/bd90284cc6c1c9e8e48c8eadd0c795
cheers