On Sat, Feb 18, 2017 at 08:52:19AM -0700, Scott Bauer wrote: > >> +static int set_mbr_done(struct opal_dev *dev, void *data) > >> { > >> - u8 mbr_done_tf = *(u8 *)dev->func_data[dev->state]; > >> + u8 mbr_done_tf = *(u8 *)data; > > > > No need for casts when going from void * to any pointer type. There are > > a couple more instance below where the cast should be removed as well. > > In this case he's actually casting & dereferencing the pointer, so it should be fine in this scenario? Oh, right. As-is we'll obviously need the casts. But what we could do instead is the following: u8 *mbr_done_tf = data; .. add_token_u8(&err, dev, *mbr_done_tf); /* Done T or F */ or alternatively just pass the whole struct opal_mbr_data pointer as the private data.