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Date: Tue, 17 Feb 2009 08:42:50 +0100 From: Martin Michlmayr <tbm@...ius.com> To: Ralf Baechle <ralf@...ux-mips.org> Cc: Roland McGrath <roland@...hat.com>, linux-kernel@...r.kernel.org Subject: Re: "elf core dump: fix get_user use" breaks mips compilation * Ralf Baechle <ralf@...ux-mips.org> [2009-02-16 23:32]: > Partially expanding get_user() the code basically does this: > > int word; > > if (access_ok(...)) > __get_user(word, header); > else > word = 0; > > And gcc is unable to figure out that word will always be assigned to by > both paths of the if statement. Older gcc versions used to have that > problem. I can't reproduce your problem with gcc 4.3.2 and I assume > you're using something older than that? Yes, gcc 4.1. -- Martin Michlmayr http://www.cyrius.com/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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