linux-kernel - RE: [PATCH] net: stmmac: Use bfsize1 in ndesc_init_rx

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Date:   Wed, 17 Apr 2019 12:14:14 +0000
From:   "Koskinen, Aaro (Nokia - FI/Espoo)" <aaro.koskinen@...ia.com>
To:     Yue Haibing <yuehaibing@...wei.com>,
        "peppe.cavallaro@...com" <peppe.cavallaro@...com>,
        "alexandre.torgue@...com" <alexandre.torgue@...com>,
        "joabreu@...opsys.com" <joabreu@...opsys.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "mcoquelin.stm32@...il.com" <mcoquelin.stm32@...il.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH] net: stmmac: Use bfsize1 in ndesc_init_rx_desc

Hi,

From: Yue Haibing [yuehaibing@...wei.com]
> gcc warn this:
>
> drivers/net/ethernet/stmicro/stmmac/norm_desc.c: In function ndesc_init_rx_desc:
> drivers/net/ethernet/stmicro/stmmac/norm_desc.c:138:6: warning: variable 'bfsize1' set but not used [-Wunused-but-set-variable]
>
> Like enh_desc_init_rx_desc, we should use bfsize1
> in ndesc_init_rx_desc to calculate 'p->des1'
>
> Fixes: 583e63614149 ("net: stmmac: use correct DMA buffer size in the RX descriptor")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>

Reviewed-by: Aaro Koskinen <aaro.koskinen@...ia.com>

Thanks, looks like GCC 6.3.0 missed this.

A.