On Sun, Nov 13, 2022 at 09:19:59AM +0200, Leon Romanovsky wrote: > On Wed, Nov 09, 2022 at 03:15:30PM -0400, Jason Gunthorpe wrote: > > On Mon, Nov 07, 2022 at 10:51:33AM +0200, Leon Romanovsky wrote: > > > From: Or Har-Toov <ohartoov@xxxxxxxxxx> > > > > > > Using nlmsg_put causes static analysis tools to many > > > false positives of not checking the return value of nlmsg_put. > > > > > > In all uses in nldev.c, payload parameter is 0 so NULL will never > > > be returned. So let's use __nlmsg_put function to silence the > > > warnings. > > > > I'd rather just add useless checks for the errors than call a private > > function like this. Or add some nlmsg_put_no_payload() that can't fail > > This is exactly what __nlmsg_put() means. Function that can't fail. Er no, it is some internal function. A function that can't fail wouldn't accept the payload argument at all. Jason
