On Thu, Feb 16, 2012 at 11:03:29AM +0100, Daniel Vetter wrote: > gcc seems to get uber-anal recently about these things. >
Sorry, I should have said that it's not a gcc warning, it's a smatch thing. But also it's not uber-anal. It's the exact level of anality which is required to make the == -1 test work. You can compare unsigned int and longs to -1 and it works but for smaller types it doesn't. regards, dan carpenter
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