On Fri, Jan 26, 2024 at 04:40:39PM +0800, taoqi wrote: > > I'm sorry. I made a mistake here. unsigned long and uintptr_t are the same > data type in linux kernel. The type cast is invalidly repeated here. Can I > just keep (unsigned long) one cast? Yes that makes sense. Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt