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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2014-11-27 08:06:25 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-12-03 18:51:40 (GMT) |
| commit | 0cf7718520dcd673d385105d92a6b1ab923ee373 (patch) | |
| tree | 19b21f1ded5beb2b3e038dcdfb73e4a8d02e4c25 /sound/soc | |
| parent | 170a2497a25688f4c6bbf011208fc5fe144ef59c (diff) | |
| download | linux-0cf7718520dcd673d385105d92a6b1ab923ee373.tar.xz | |
ASoC: rsnd: tidyup rsnd_io_to_runtime() macro
Avoid NULL pointer access
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/sh/rcar/rsnd.h | 3 |
1 files changed, 2 insertions, 1 deletions
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); |