ASoC: rsnd: care default case on rsnd_ssiu_busif_err_status_clear()

[ Upstream commit b1384d4c95 ]

commit cfb7b8bf1e ("ASoC: rsnd: tidyup
rsnd_ssiu_busif_err_status_clear()") merged duplicate code, but it didn't
care about default case, and causes smatch warnings.

smatch warnings:
sound/soc/sh/rcar/ssiu.c:112 rsnd_ssiu_busif_err_status_clear() \
	error: uninitialized symbol 'offset'.
sound/soc/sh/rcar/ssiu.c:114 rsnd_ssiu_busif_err_status_clear() \
	error: uninitialized symbol 'shift'.

This patch cares it.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87r15rgn6p.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kuninori Morimoto 2022-04-21 02:55:27 +00:00 committed by Greg Kroah-Hartman
parent a5ce7051db
commit 2463291345

View file

@ -102,6 +102,8 @@ bool rsnd_ssiu_busif_err_status_clear(struct rsnd_mod *mod)
shift = 1;
offset = 1;
break;
default:
goto out;
}
for (i = 0; i < 4; i++) {
@ -120,7 +122,7 @@ bool rsnd_ssiu_busif_err_status_clear(struct rsnd_mod *mod)
}
rsnd_mod_write(mod, reg, val);
}
out:
return error;
}