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

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