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Re: [Qemu-devel] [PATCH] slirp: Remove unused zero_ethaddr[] variable
From: |
Stefan Weil |
Subject: |
Re: [Qemu-devel] [PATCH] slirp: Remove unused zero_ethaddr[] variable |
Date: |
Thu, 29 May 2014 14:52:31 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
Am 29.05.2014 13:00, schrieb Peter Maydell:
> The zero_ethaddr[] array is never used; delete it.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> clang 3.4 warns about unused const variables like this and
> also about unused functions; we have over 400 such warnings
> currently, of which some are simple "forgot to clean up
> redundant code" like this one, some are deliberate in some
> sense (usually the function/var is used in one config but not
> another), and some are outright bugs. Anybody feel like wading
> through them? :-)
I can add some more:
* Missing 'static' attributes for local variables and functions
* Use of 0 instead of NULL for pointers (do we want to fix those?)
>
> slirp/slirp.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/slirp/slirp.c b/slirp/slirp.c
> index 3fb48a4..b7f3726 100644
> --- a/slirp/slirp.c
> +++ b/slirp/slirp.c
> @@ -37,8 +37,6 @@ static const uint8_t special_ethaddr[ETH_ALEN] = {
> 0x52, 0x55, 0x00, 0x00, 0x00, 0x00
> };
>
> -static const uint8_t zero_ethaddr[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
> -
> u_int curtime;
>
> static QTAILQ_HEAD(slirp_instances, Slirp) slirp_instances =
>
Reviewed-by: Stefan Weil <address@hidden>