Hi Pavel, On Sat, Dec 22, 2018 at 08:29:34PM +0100, Pavel Machek wrote: > On Fri 2018-12-21 02:17:48, Sebastian Reichel wrote: > > From: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx> > > > > Remove unused return code from fmc_prepare() and fmc_release() to > > simplify the code a bit. > > > > /* > > * This function will be called from FM V4L2 release function. > > * Unregister from ST driver. > > */ > > -int fmc_release(struct fmdev *fmdev) > > +void fmc_release(struct fmdev *fmdev) > > { > > static struct st_proto_s fm_st_proto; > > int ret; > > > > if (!test_bit(FM_CORE_READY, &fmdev->flag)) { > > fmdbg("FM Core is already down\n"); > > - return 0; > > + return; > > } > > /* Service pending read */ > > wake_up_interruptible(&fmdev->rx.rds.read_queue); > > @@ -1611,7 +1606,6 @@ int fmc_release(struct fmdev *fmdev) > > fmdbg("Successfully unregistered from ST\n"); > > > > clear_bit(FM_CORE_READY, &fmdev->flag); > > - return ret; > > } > > > You probably leave unused variable (ret) here. I guess that's okay as > you remove it later in the series...? It's still being used after this patch (but indeed removed in a later patch). > Also... I'd kind of expect _prepare routine to return int. Even if it > currently does not do anything that could return error, I'd kind of > expect allocations being done there... well the driver is basically feature complete and all allocations happen in probe :) -- Sebastian
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