linux-kernel - Re: [PATCH v4 3/3] PCI: endpoint: Fix find_first_zero

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Message-ID: <7bd08771-d860-52b6-9439-a45a1b70c6e0@ti.com>
Date:   Thu, 14 Dec 2017 16:39:52 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Niklas Cassel <niklas.cassel@...s.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>
CC:     Niklas Cassel <niklass@...s.com>, <linux-pci@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 3/3] PCI: endpoint: Fix find_first_zero_bit() usage



On Tuesday 12 December 2017 07:46 PM, Niklas Cassel wrote:
> find_first_zero_bit()'s parameter 'size' is defined in bits,
> not in bytes.
> 
> Calling find_first_zero_bit() with the wrong size unit
> will lead to insidious bugs.
> 
> Fix this by calling find_first_zero_bit() with size BITS_PER_LONG,
> rather than sizeof() and add missing find_first_zero_bit() return
> handling.
> 
> Fixes: d74679911610 ("PCI: endpoint: Introduce configfs entry for configuring EP functions")
> Signed-off-by: Niklas Cassel <niklas.cassel@...s.com>
> Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>

I'll hold Acking this patch, since it is dependent on the previous one.

Thanks
Kishon