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author | Arnaud Pouliquen <arnaud.pouliquen@st.com> | 2015-09-10 10:45:55 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2015-09-10 13:11:18 +0300 |
commit | 3a0e27d84bb9abac5e39dc71706768a88c72cb71 (patch) | |
tree | 7c881821d53c702ae17bd1c1472686b2e226c307 /sound/soc/sti/uniperif_reader.c | |
parent | 91931320cfbbcc1dd874c2d0aef62e7d90f07f70 (diff) | |
download | linux-3a0e27d84bb9abac5e39dc71706768a88c72cb71.tar.xz |
ASoC: sti: check return of of_property_read
Add check on of_property_read to return error when
DT required property is not defined.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sti/uniperif_reader.c')
-rw-r--r-- | sound/soc/sti/uniperif_reader.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/soc/sti/uniperif_reader.c b/sound/soc/sti/uniperif_reader.c index c502626f339b..f791239a3087 100644 --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -316,7 +316,11 @@ static int uni_reader_parse_dt(struct platform_device *pdev, if (!info) return -ENOMEM; - of_property_read_u32(node, "version", &reader->ver); + if (of_property_read_u32(node, "version", &reader->ver) || + reader->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) { + dev_err(&pdev->dev, "Unknown uniperipheral version "); + return -EINVAL; + } /* Save the info structure */ reader->info = info; |