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Re: [PATCH v1] mlx4: remove unused fields

From Eric Dumazet <eric.dumazet@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v1] mlx4: remove unused fields
Date 2016-09-28 20:20 +0200
Message-ID <smrCx-1LD-5@gated-at.bofh.it> (permalink)
References <smrsR-1Ie-23@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, 2016-09-28 at 11:00 -0700, David Decotigny wrote:
> From: David Decotigny <decot@googlers.com>
> 
> This also can address following UBSAN warnings:
> [   36.640343] ================================================================================
> [   36.648772] UBSAN: Undefined behaviour in drivers/net/ethernet/mellanox/mlx4/fw.c:857:26
> [   36.656853] shift exponent 64 is too large for 32-bit type 'int'
> [   36.663348] ================================================================================
> [   36.671783] ================================================================================
> [   36.680213] UBSAN: Undefined behaviour in drivers/net/ethernet/mellanox/mlx4/fw.c:861:27
> [   36.688297] shift exponent 35 is too large for 32-bit type 'int'
> [   36.694702] ================================================================================
> 
> Tested:
>   reboot with UBSAN, no warning.
> 
> Signed-off-by: David Decotigny <decot@googlers.com>
> ---

CC: Tariq Toukan <tariqt@mellanox.com> (mlx4 maintainer)

Note this patch was cooked/tested using net-next, but can be applied to
net tree, with minor fuzz.

Acked-by: Eric Dumazet <edumazet@google.com>

Thanks David.

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Thread

[PATCH v1] mlx4: remove unused fields David Decotigny <ddecotig@gmail.com> - 2016-09-28 20:10 +0200
  Re: [PATCH v1] mlx4: remove unused fields Eric Dumazet <eric.dumazet@gmail.com> - 2016-09-28 20:20 +0200
  Re: [PATCH v1] mlx4: remove unused fields Tariq Toukan <ttoukan.linux@gmail.com> - 2016-09-29 09:50 +0200
  Re: [PATCH v1] mlx4: remove unused fields David Miller <davem@davemloft.net> - 2016-09-30 08:00 +0200

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