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From: Chuhong Yuan <hslester96@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Cezary Rojewski <cezary.rojewski@intel.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
	Liam Girdwood <liam.r.girdwood@linux.intel.com>,
	Jie Yang <yang.jie@linux.intel.com>,
	Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>,
	Takashi Iwai <tiwai@suse.com>,
	alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
	Chuhong Yuan <hslester96@gmail.com>
Subject: [PATCH] ASoC: Intel: sof-rt5682: add a check for devm_clk_get
Date: Thu, 17 Oct 2019 10:50:44 +0800	[thread overview]
Message-ID: <20191017025044.31474-1-hslester96@gmail.com> (raw)

sof_audio_probe misses a check for devm_clk_get and may cause problems.
Add a check for it to fix the bug.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
---
 sound/soc/intel/boards/sof_rt5682.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sound/soc/intel/boards/sof_rt5682.c b/sound/soc/intel/boards/sof_rt5682.c
index a437567b8cee..6d15c7ff66bf 100644
--- a/sound/soc/intel/boards/sof_rt5682.c
+++ b/sound/soc/intel/boards/sof_rt5682.c
@@ -576,6 +576,15 @@ static int sof_audio_probe(struct platform_device *pdev)
 	/* need to get main clock from pmc */
 	if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
 		ctx->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
+		if (IS_ERR(ctx->mclk)) {
+			ret = PTR_ERR(ctx->mclk);
+
+			dev_err(&pdev->dev,
+				"Failed to get MCLK from pmc_plt_clk_3: %d\n",
+				ret);
+			return ret;
+		}
+
 		ret = clk_prepare_enable(ctx->mclk);
 		if (ret < 0) {
 			dev_err(&pdev->dev,
-- 
2.20.1


WARNING: multiple messages have this Message-ID (diff)
From: Chuhong Yuan <hslester96@gmail.com>
Cc: Cezary Rojewski <cezary.rojewski@intel.com>,
	alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
	Takashi Iwai <tiwai@suse.com>,
	Jie Yang <yang.jie@linux.intel.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
	Liam Girdwood <liam.r.girdwood@linux.intel.com>,
	Mark Brown <broonie@kernel.org>,
	Chuhong Yuan <hslester96@gmail.com>
Subject: [alsa-devel] [PATCH] ASoC: Intel: sof-rt5682: add a check for devm_clk_get
Date: Thu, 17 Oct 2019 10:50:44 +0800	[thread overview]
Message-ID: <20191017025044.31474-1-hslester96@gmail.com> (raw)

sof_audio_probe misses a check for devm_clk_get and may cause problems.
Add a check for it to fix the bug.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
---
 sound/soc/intel/boards/sof_rt5682.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sound/soc/intel/boards/sof_rt5682.c b/sound/soc/intel/boards/sof_rt5682.c
index a437567b8cee..6d15c7ff66bf 100644
--- a/sound/soc/intel/boards/sof_rt5682.c
+++ b/sound/soc/intel/boards/sof_rt5682.c
@@ -576,6 +576,15 @@ static int sof_audio_probe(struct platform_device *pdev)
 	/* need to get main clock from pmc */
 	if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
 		ctx->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
+		if (IS_ERR(ctx->mclk)) {
+			ret = PTR_ERR(ctx->mclk);
+
+			dev_err(&pdev->dev,
+				"Failed to get MCLK from pmc_plt_clk_3: %d\n",
+				ret);
+			return ret;
+		}
+
 		ret = clk_prepare_enable(ctx->mclk);
 		if (ret < 0) {
 			dev_err(&pdev->dev,
-- 
2.20.1

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             reply	other threads:[~2019-10-17  2:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-17  2:50 Chuhong Yuan [this message]
2019-10-17  2:50 ` [alsa-devel] [PATCH] ASoC: Intel: sof-rt5682: add a check for devm_clk_get Chuhong Yuan
2019-10-17 13:16 ` Pierre-Louis Bossart
2019-10-17 13:16   ` Pierre-Louis Bossart
2019-10-18 18:07 ` Applied "ASoC: Intel: sof-rt5682: add a check for devm_clk_get" to the asoc tree Mark Brown
2019-10-18 18:07   ` [alsa-devel] " Mark Brown

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