From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Christophe Leroy <christophe.leroy@c-s.fr>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>, Scott Wood <oss@buserror.net>
Cc: antoine.blangy@c-s.fr, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [v2] powerpc/32: fix csum_partial_copy_generic()
Date: Wed, 10 Aug 2016 22:46:33 +1000 (AEST) [thread overview]
Message-ID: <3s8W9k03Pwz9t1m@ozlabs.org> (raw)
In-Reply-To: <20160802080705.69A9F1A2394@localhost.localdomain>
On Tue, 2016-02-08 at 08:07:05 UTC, Christophe Leroy wrote:
> commit 7aef4136566b0 ("powerpc32: rewrite csum_partial_copy_generic()
> based on copy_tofrom_user()") introduced a bug when destination
> address is odd and initial csum is not null
>
> In that (rare) case the initial csum value has to be rotated one byte
> as well as the resulting value is
>
> This patch also fixes related comments
>
> Fixes: 7aef4136566b0 ("powerpc32: rewrite csum_partial_copy_generic() based on copy_tofrom_user()")
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/1bc8b816cb8058c31f61fe7844
cheers
prev parent reply other threads:[~2016-08-10 12:46 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-02 8:07 [PATCH v2] powerpc/32: fix csum_partial_copy_generic() Christophe Leroy
2016-08-02 12:41 ` Segher Boessenkool
2016-08-02 12:51 ` Segher Boessenkool
2016-08-04 3:53 ` Scott Wood
2016-08-04 6:15 ` Alessio Igor Bogani
2016-08-05 6:57 ` Michael Ellerman
2016-08-05 7:26 ` Christophe Leroy
2016-08-05 9:38 ` Michael Ellerman
2016-08-10 12:46 ` Michael Ellerman [this message]
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