From: Stephen Hemminger <[EMAIL PROTECTED]>
Date: Wed, 19 Sep 2007 16:05:20 -0700
> GCC is not as smart as you think... Try the following test:
Indeed, thanks for pointing that out. I'll have to
macroize it like this to get the check:
static int __niu_wait_bits_clear_mac(void *np, unsigned long reg,
int limit, int delay)
{
...
#define niu_wait_bits_clear_mac(NP, REG, LIM, DELAY) \
({ BUILD_BUG_ON(LIM <= 0 || DELAY < 0); \
__niu_wait_bits_clear_mac(NP, REG, LIM, DELAY); \
})
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