On Fri, Jul 18, 2014 at 06:34:52PM +0300, Andrey Utkin wrote:
> static char *kdb_bptype(kdb_bp_t *bp)
> {
> - if (bp->bp_type < 0 || bp->bp_type > 4)
> + if (bp->bp_type > 4)
> return "";
With Smatch, I ignore negative checks in this format. It's obvious what
the intent is and they are harmless. Patching them requires a little
review to make sure that someone isn't introducing a bug and can't be
done directly in the email client.
On the other hand, in Smatch I do complain about checks like:
if (bp->bp_type > 4 || bp->bp_type < 0)
Because only backwards thinking people write checks like that.
regards,
dan carpenter
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