linux-kernel - Re: [PATCH] usb: xhci: fix incorrect memset()

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Message-ID: <70603a0e-15dd-8970-54c9-4f1ac1d005e2@linux.intel.com>
Date:   Mon, 11 Dec 2017 14:59:13 +0200
From:   Mathias Nyman <mathias.nyman@...ux.intel.com>
To:     Arnd Bergmann <arnd@...db.de>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Lu Baolu <baolu.lu@...ux.intel.com>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: xhci: fix incorrect memset()

On 11.12.2017 13:27, Arnd Bergmann wrote:
> gcc-8 warnings about the new driver using a memset with a bogus length:
> 
> drivers/usb/host/xhci-dbgcap.c: In function 'xhci_dbc_eps_exit':
> drivers/usb/host/xhci-dbgcap.c:369:2: error: 'memset' used with length equal to number of elements without multiplication by element size [-Werror=memset-elt-size]
> 
> It looks like the author meant to use sizeof() rather than ARRAY_SIZE()
> here, so use that.
> 
> Fixes: dfba2174dc42 ("usb: xhci: Add DbC support in xHCI driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---

Another patch to fix the same thing was sent earlier as a follow up to the original series.
https://marc.info/?l=linux-usb&m=151298133524873&w=2

But your patch includes the Fixes line with the commit id, which is nice.

Both fix the problem, It doesn't matter for me which one gets applied

Thanks
-Mathias