On Thursday, August 11, 2016 1:15:02 PM CEST Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@xxxxxxxxx>
>
> Although sparse declares __builtin_bswap*(), it can't actually
> do constant folding inside them (yet). As such, things like
>
> switch (protocol) {
> case htons(ETH_P_IP):
> break;
> }
>
> which we do all over the place cause sparse to warn that it
> expects a constant instead of a function call.
>
> Disable __HAVE_BUILTIN_BSWAP*__ if __CHECKER__ is defined to
> avoid this.
>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 7322dd755e7d ("byteswap: try to avoid __builtin_constant_p gcc bug")
> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Looks good, thanks for addressing this!
Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-sparse" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
