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  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Wed, 22 Oct 2014 21:50:06 +0200
From:	Geert Uytterhoeven <>
To:	David Miller <>
	"" <>,
	"" <>
Subject: Re: [PATCH v2] drivers: net: xgene: Rewrite loop in xgene_enet_ecc_init()

On Wed, Oct 22, 2014 at 9:34 PM, David Miller <> wrote:
> From: Geert Uytterhoeven <>
> Date: Wed, 22 Oct 2014 09:39:41 +0200
>> drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c: In function ‘xgene_enet_ecc_init’:
>> drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c:126: warning: ‘data’ may be used uninitialized in this function
>> Depending on the arbitrary value on the stack, the loop may terminate
>> too early, and cause a bogus -ENODEV failure.
>> Signed-off-by: Geert Uytterhoeven <>
>> ---
>> v2: Rewrite the loop instead of pre-initializing data.
> I hate to be a pest, but like the other patch of your's I think
> a do { } while() works best here because the intent is clearly
> to run the loop at least once, right?

I wanted to avoid checking for "data != ~0U" twice: once to abort the loop,
and once to check if a timeout happened.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists