From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
To: Mark Brown <broonie@kernel.org>
Cc: Linux-ALSA <alsa-devel@alsa-project.org>,
Simon <horms@verge.net.au>, Liam Girdwood <lgirdwood@gmail.com>
Subject: [PATCH 11/20] ASoC: rsnd: tidyup rsnd_io_to_runtime() macro
Date: Thu, 27 Nov 2014 08:06:25 +0000 [thread overview]
Message-ID: <87r3wp83ud.wl%kuninori.morimoto.gx@renesas.com> (raw)
In-Reply-To: <877fyh9ilx.wl%kuninori.morimoto.gx@renesas.com>
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Avoid NULL pointer access
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
sound/soc/sh/rcar/rsnd.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 133ba1f..5826c8a 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -303,7 +303,8 @@ struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id);
int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io);
int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai);
#define rsnd_dai_get_platform_info(rdai) ((rdai)->info)
-#define rsnd_io_to_runtime(io) ((io)->substream->runtime)
+#define rsnd_io_to_runtime(io) ((io)->substream ? \
+ (io)->substream->runtime : NULL)
void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
--
1.7.9.5
next prev parent reply other threads:[~2014-11-27 8:06 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-27 8:02 [PATCH 0/20] ASoC: rsnd: add Synchronous SRC and U/O error salvage support Kuninori Morimoto
2014-11-27 8:02 ` [PATCH 01/20] ASoC: rsnd: add .fallback callback Kuninori Morimoto
2014-11-27 8:02 ` [PATCH 02/20] ASoC: rsnd: add callback status check method Kuninori Morimoto
2014-11-27 8:03 ` [PATCH 03/20] ASoC: rsnd: rsnd_src_ssiu_stop() stops SSIU compulsorily Kuninori Morimoto
2014-11-27 8:05 ` [PATCH 04/20] ASoC: rsnd: tidyup PIO/DMA mode settings method Kuninori Morimoto
2014-11-27 8:05 ` [PATCH 05/20] ASoC: rsnd: tidyup SSI interrupt enable/disable method Kuninori Morimoto
2014-11-27 8:05 ` [PATCH 06/20] ASoC: rsnd: care SSIWSR register in rsnd_ssi_hw_start() Kuninori Morimoto
2014-11-27 8:05 ` [PATCH 07/20] ASoC: rsnd: clear status register when HW start Kuninori Morimoto
2014-11-27 8:05 ` [PATCH 08/20] ASoC: rsnd: synchronize SSI start/stop sequence between PIO/DMA mode Kuninori Morimoto
2014-11-27 8:06 ` [PATCH 09/20] ASoC: rsnd: show master clock rate when ADG probe Kuninori Morimoto
2014-11-27 8:06 ` [PATCH 10/20] ASoC: rsnd: move snd_kcontrol_new fucntions to core.c Kuninori Morimoto
2014-11-27 8:06 ` Kuninori Morimoto [this message]
2014-11-27 8:06 ` [PATCH 12/20] ASoC: rsnd: use rsnd_src_convert_rate() once on rsnd_src_set_convert_rate_gen2() Kuninori Morimoto
2014-11-27 8:06 ` [PATCH 13/20] ASoC: rsnd: initialize SRC on rsnd_src_init() Kuninori Morimoto
2014-11-27 8:07 ` [PATCH 14/20] ASoC: rsnd: set SRC_ROUTE_MODE0 on each rsnd_src_set_convert_rate() Kuninori Morimoto
2014-11-27 8:07 ` [PATCH 15/20] ASoC: rsnd: share SSI starting method between PIO/DMA mode Kuninori Morimoto
2014-11-27 8:07 ` [PATCH 16/20] ASoC: rsnd: remove un-necessary parameter from rsnd_src_start/stop() Kuninori Morimoto
2014-12-03 18:52 ` Mark Brown
2014-11-27 8:07 ` [PATCH 17/20] ASoC: rsnd: add Synchronous SRC mode Kuninori Morimoto
2014-11-27 8:07 ` [PATCH 18/20] ASoC: rsnd: add salvage support for under/over flow error on SSI Kuninori Morimoto
2014-12-07 13:45 ` Mark Brown
2014-11-27 8:08 ` [PATCH 19/20] ASoC: rsnd: add salvage support for under/over flow error on SRC Kuninori Morimoto
2014-11-27 8:08 ` [PATCH 20/20] ASoC: rsnd: rename SSI function name of PIO Kuninori Morimoto
2014-12-07 13:46 ` Mark Brown
2014-12-24 2:01 ` [PATCH 0/20] ASoC: rsnd: add Synchronous SRC and U/O error salvage support Kuninori Morimoto
2014-12-30 17:10 ` Mark Brown
2015-01-05 0:42 ` Kuninori Morimoto
2015-01-06 18:33 ` Mark Brown
2015-01-07 4:12 ` Kuninori Morimoto
2015-01-08 17:44 ` Pierre-Louis Bossart
2015-01-10 11:32 ` Mark Brown
2015-01-14 1:11 ` Kuninori Morimoto
2015-01-19 20:49 ` Mark Brown
2015-01-20 2:10 ` Kuninori Morimoto
2015-02-24 14:56 ` Mark Brown
2015-01-08 1:50 ` Kuninori Morimoto
2015-01-08 1:52 ` [PATCH v2] ASoC: rsnd: add recovery support for under/over flow error on SRC Kuninori Morimoto
2015-01-12 13:03 ` Mark Brown
2015-01-13 7:20 ` Kuninori Morimoto
2015-01-15 15:58 ` Mark Brown
2015-01-16 0:08 ` Kuninori Morimoto
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