From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Subject: Re: [net-next 06/16] i40e: Properly cast type for arithmetic
Date: Wed, 25 Nov 2015 02:46:51 -0800
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Cc: Helin Zhang <helin.zhang@intel.com>, netdev@vger.kernel.org,
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To: Joe Perches <joe@perches.com>, davem@davemloft.net
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On Tue, 2015-11-24 at 16:43 -0800, Joe Perches wrote:
> On Tue, 2015-11-24 at 16:04 -0800, Jeff Kirsher wrote:
> > From: Helin Zhang <helin.zhang@intel.com>
> >=20
> > Pointer of type void * shouldn't be used in arithmetic, which may
> > result in compilation error. Casting of (u8 *) can be added to fix
> > that.
> >=20
>=20
> void * arithmetic is used quite frequently in the kernel.
>=20
> What compiler emits an error?

When you use the gcc -Wpointer-arith, it generates the warning.
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