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Date:   Mon, 2 Dec 2019 22:51:57 +0000
From:   Leo Li <leoyang.li@....com>
To:     David Miller <davem@...emloft.net>
CC:     "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Scott Wood <oss@...error.net>, Timur Tabi <timur@...nel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Qiang Zhao <qiang.zhao@....com>,
        Christophe Leroy <christophe.leroy@....fr>
Subject: RE: [PATCH v6 44/49] net/wan/fsl_ucc_hdlc: avoid use of
 IS_ERR_VALUE()



> -----Original Message-----
> From: Rasmus Villemoes <linux@...musvillemoes.dk>
> Sent: Thursday, November 28, 2019 8:56 AM
> To: Qiang Zhao <qiang.zhao@....com>; Leo Li <leoyang.li@....com>;
> Christophe Leroy <christophe.leroy@....fr>
> Cc: linuxppc-dev@...ts.ozlabs.org; linux-arm-kernel@...ts.infradead.org;
> linux-kernel@...r.kernel.org; Scott Wood <oss@...error.net>; Timur Tabi
> <timur@...nel.org>; Rasmus Villemoes <linux@...musvillemoes.dk>;
> netdev@...r.kernel.org
> Subject: [PATCH v6 44/49] net/wan/fsl_ucc_hdlc: avoid use of
> IS_ERR_VALUE()

Hi David,

Would you help to review patch 44-47 in the series?  If it is fine with you, I can take these 4 patches with the whole series though soc tree to enable the QE drivers on ARM and PPC64 with your ACK.

Thanks,
Leo

> 
> When building this on a 64-bit platform gcc rightly warns that the error
> checking is broken (-ENOMEM stored in an u32 does not compare greater
> than (unsigned long)-MAX_ERRNO). Instead, now that
> qe_muram_alloc() returns s32, use that type to store the return value and
> use standard kernel style "ret < 0".
> 
> Reviewed-by: Timur Tabi <timur@...nel.org>
> Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>

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