linux-kernel - Re: [01/15] powerpc/powernv: opal_put

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Message-Id: <41Zg380lfkz9s3N@ozlabs.org>
Date:   Tue, 24 Jul 2018 23:59:47 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Nicholas Piggin <npiggin@...il.com>, linuxppc-dev@...ts.ozlabs.org
Cc:     Jiri Slaby <jslaby@...e.com>, linux-kernel@...r.kernel.org,
        Nicholas Piggin <npiggin@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [01/15] powerpc/powernv: opal_put_chars partial write fix

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@...nel.crashing.org>
> Signed-off-by: Nicholas Piggin <npiggin@...il.com>

Patches 1-9 applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/bd90284cc6c1c9e8e48c8eadd0c795

cheers