| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.2 001/162] ASoC: simple_card_utils.h: care NULL dai at asoc_simple_debug_dai() | Date | Tue, 27 Aug 2019 09:48:49 +0200 |
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[ Upstream commit 52db6685932e326ed607644ab7ebdae8c194adda ]
props->xxx_dai might be NULL when DPCM. This patch cares it for debug.
Fixes: commit 0580dde59438 ("ASoC: simple-card-utils: add asoc_simple_debug_info()") Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87o922gw4u.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- include/sound/simple_card_utils.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h index 3429888347e7c..b3609e4c46e0f 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -149,6 +149,10 @@ inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv, { struct device *dev = simple_priv_to_dev(priv); + /* dai might be NULL */ + if (!dai) + return; + if (dai->name) dev_dbg(dev, "%s dai name = %s\n", name, dai->name); -- 2.20.1
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