diff options
| author |   Jyri Sarha <jsarha@ti.com> | 2014-06-13 13:04:36 +0300 |
|---|---|---|
| committer |   Mark Brown <broonie@linaro.org> | 2014-06-21 11:06:53 +0100 |
| commit | c7099eb1c19e60251e6725d6302354dfabae5303 (patch) | |
| tree | 58b3da62e7e44370639466ef15931ed0e91aeb90 /sound | |
| parent | Linux 3.16-rc1 (diff) | |
| download | wireguard-linux-c7099eb1c19e60251e6725d6302354dfabae5303.tar.xz wireguard-linux-c7099eb1c19e60251e6725d6302354dfabae5303.zip | |
ASoC: simple-card: Make u32 DT parameter handling 64-bit proof
Passing unsigned int pointers as u32 ponters may be dangerous on 64-bit
system.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/generic/simple-card.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 03a7fdcdf114..159e517fa09a 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -116,6 +116,7 @@ asoc_simple_card_sub_parse_of(struct device_node *np, { struct device_node *node; struct clk *clk; + u32 val; int ret; /* @@ -151,10 +152,8 @@ asoc_simple_card_sub_parse_of(struct device_node *np, } dai->sysclk = clk_get_rate(clk); - } else if (of_property_read_bool(np, "system-clock-frequency")) { - of_property_read_u32(np, - "system-clock-frequency", - &dai->sysclk); + } else if (!of_property_read_u32(np, "system-clock-frequency", &val)) { + dai->sysclk = val; } else { clk = of_clk_get(node, 0); if (!IS_ERR(clk)) @@ -303,6 +302,7 @@ static int asoc_simple_card_parse_of(struct device_node *node, { struct snd_soc_dai_link *dai_link = priv->snd_card.dai_link; struct simple_dai_props *dai_props = priv->dai_props; + u32 val; int ret; /* parsing the card name from DT */ @@ -325,8 +325,9 @@ static int asoc_simple_card_parse_of(struct device_node *node, } /* Factor to mclk, used in hw_params() */ - of_property_read_u32(node, "simple-audio-card,mclk-fs", - &priv->mclk_fs); + ret = of_property_read_u32(node, "simple-audio-card,mclk-fs", &val); + if (ret == 0) + priv->mclk_fs = val; dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ? priv->snd_card.name : ""); |