Re: [patch] IB/ipath: add a range check before bumping the stats

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On Fri, Mar 15, 2013 at 01:43:39PM +0000, Marciniszyn, Mike wrote:
> Oddly, I don't see an issue with qib, which masks the opcode.
> 
> Would:
> opcode = (be32_to_cpu(ohdr->bth[0]) >> 24) & 0x7f;
> 
> also correct the issue without adding the if test.   At this point
> the hardware has already validated the opcode, so there is no
> value in the fail handling.
> 
> What args are you using with smatch?
> 

Gar sorry, for the noise.  You can just drop this then.

This is some custom stuff that probably has too many false positives
to push.

Doing an "& 0x7f" would silence the warning but if this is validated
by the hardware then we don't need it.

regards,
dan carpenter

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