On Tue, 1 Aug 2023 11:56:12 +0200 Andrew Lunn <andrew@xxxxxxx> wrote: > > +int framer_pm_runtime_get(struct framer *framer) > > +{ > > + int ret; > > + > > + if (!framer) > > + return 0; > > Can framer be a NULL pointer? This sort of test often covers up > bugs. So either let it dereference the NULL pointer and opps, or > return -EINVAL. > Well, in the current usage, it cannot be a NULL pointer. I will simply remove the check (every where it is present) and dereference the pointer instead of returning -EINVAL. Regards, Hervé -- Hervé Codina, Bootlin Embedded Linux and Kernel engineering https://bootlin.com