On Mon, 04 Feb 2019 22:18:28 +0100, Pierre-Louis Bossart wrote: > > > >> + WARN_ONCE(ARRAY_SIZE(dapm_up_seq) != SND_SOC_DAPM_TYPE_LAST, > >> + "bad size for dapm_up_seq, expected %d\n", > >> + SND_SOC_DAPM_TYPE_LAST); > >> + > >> + WARN_ONCE(ARRAY_SIZE(dapm_down_seq) != SND_SOC_DAPM_TYPE_LAST, > >> + "bad size for dapm_down_seq, expected %d\n", > >> + SND_SOC_DAPM_TYPE_LAST); > > Would BUILD_BUG_ON() work for these instead? > > It's not available, but if it works, better than the runtime check. > > I misunderstood your earlier email then. I also felt testing a > constant all the time wasn't necessarily very optimal, but since you > mentioned WARN I used it for all cases. > > Are you saying use WARN_ONCE for the uninitialized values and > BUILD_BUG_ON for the array size check? Yes. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel