Re: [PATCH v2] lib/checksum.c: fix carry in csum_tcpudp_nofold

[Eric Dumazet]

On Wed, 2015-01-28 at 10:58 +0100, Karl Beldan wrote:
> The carry from the 64->32bits folding was dropped, e.g with:
> saddr=0xFFFFFFFF daddr=0xFF0000FF len=0xFFFF proto=0 sum=1,
> csum_tcpudp_nofold returned 0 instead of 1.
> 
> Signed-off-by: Karl Beldan <karl.beldan@xxxxxxxxxxxxxxxx>
> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> Cc: Eric Dumazet <eric.dumazet@xxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Mike Frysinger <vapier@xxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: stable@xxxxxxxxxxxxxxx
> ---
>  lib/checksum.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)

Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>

Thanks !


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