netdev - RE: [Intel-wired-lan] [PATCH] net: intel: igb: Replace mdelay() with msleep() in igb_integrated_phy

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Thu, 23 Aug 2018 21:05:33 +0000
From:   "Brown, Aaron F" <aaron.f.brown@...el.com>
To:     Jia-Ju Bai <baijiaju1990@...il.com>,
        "Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [Intel-wired-lan] [PATCH] net: intel: igb: Replace mdelay()
 with msleep() in igb_integrated_phy_loopback()

> From: Intel-wired-lan [mailto:intel-wired-lan-bounces@...osl.org] On
> Behalf Of Jia-Ju Bai
> Sent: Friday, July 27, 2018 1:08 AM
> To: Kirsher, Jeffrey T <jeffrey.t.kirsher@...el.com>
> Cc: netdev@...r.kernel.org; Jia-Ju Bai <baijiaju1990@...il.com>; intel-
> wired-lan@...ts.osuosl.org; linux-kernel@...r.kernel.org
> Subject: [Intel-wired-lan] [PATCH] net: intel: igb: Replace mdelay() with
> msleep() in igb_integrated_phy_loopback()
> 
> igb_integrated_phy_loopback() is never called in atomic context.
> It calls mdelay() to busily wait, which is not necessary.
> mdelay() can be replaced with msleep().
> 
> This is found by a static analysis tool named DCNS written by myself.
> 
> Signed-off-by: Jia-Ju Bai <baijiaju1990@...il.com>
> ---
>  drivers/net/ethernet/intel/igb/igb_ethtool.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Tested-by: Aaron Brown <aaron.f.brown@...el.com>