netdev - Re: [PATCH] net: usb: initialize tmp in dm9601.c to avoid warning

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Date:	Fri, 18 Jan 2013 08:37:41 +0100
From:	Peter Korsgaard <jacmet@...site.dk>
To:	David Miller <davem@...emloft.net>
Cc:	sque@...omium.org, netdev@...r.kernel.org, msb@...omium.org
Subject: Re: [PATCH] net: usb: initialize tmp in dm9601.c to avoid warning

>>>>> "David" == David Miller <davem@...emloft.net> writes:

 >> What warning and what compiler version are you using?

 David> I wouldn't bother asking this, unless it's so that you personally
 David> can reproduce this in the future.

 David> The compiler cannot determine with %100 certainty that tmp is
 David> initialized in all paths.  Any time there are conditional
 David> statements guarding setting and the use, the compiler is going
 David> to err on the side of caution and say that if any of those
 David> paths lead to a use without a set it's going to warn.

Sure, I just wondered as the code hasn't changed in 5+ years, and the
function that gets called is defined just above, so the compiler should
be able to figure it out.

-- 
Bye, Peter Korsgaard
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