[PATCH v2] ASoC: amd: change clk_get() to devm_clk_get() and add missed checks
cz_da7219_init() does not check the return values of clk_get(), while da7219_clk_enable() calls clk_set_rate() to dereference the pointers. Add checks to fix the problems. Also, change clk_get() to devm_clk_get() to avoid data leak after failures.
Fixes: bb24a31ed584 ("ASoC: AMD: Configure wclk and bclk of master codec") Signed-off-by: Chuhong Yuan hslester96@gmail.com --- Changes in v2: - Replace clk_get() with devm_clk_get() to prevent data leak.
sound/soc/amd/acp-da7219-max98357a.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c index a7702e64ec51..849288d01c6b 100644 --- a/sound/soc/amd/acp-da7219-max98357a.c +++ b/sound/soc/amd/acp-da7219-max98357a.c @@ -73,8 +73,13 @@ static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd) return ret; }
- da7219_dai_wclk = clk_get(component->dev, "da7219-dai-wclk"); - da7219_dai_bclk = clk_get(component->dev, "da7219-dai-bclk"); + da7219_dai_wclk = devm_clk_get(component->dev, "da7219-dai-wclk"); + if (IS_ERR(da7219_dai_wclk)) + return PTR_ERR(da7219_dai_wclk); + + da7219_dai_bclk = devm_clk_get(component->dev, "da7219-dai-bclk"); + if (IS_ERR(da7219_dai_bclk)) + return PTR_ERR(da7219_dai_bclk);
ret = snd_soc_card_jack_new(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_LINEOUT |
On Fri, 4 Dec 2020 14:36:10 +0800, Chuhong Yuan wrote:
cz_da7219_init() does not check the return values of clk_get(), while da7219_clk_enable() calls clk_set_rate() to dereference the pointers. Add checks to fix the problems. Also, change clk_get() to devm_clk_get() to avoid data leak after failures.
Applied to
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
Thanks!
[1/1] ASoC: amd: change clk_get() to devm_clk_get() and add missed checks commit: 95d3befbc5e1ee39fc8a78713924cf7ed2b3cabe
All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted.
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Thanks, Mark
participants (2)
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Chuhong Yuan
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Mark Brown