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ASoC: amd: acp: Fix NULL pointer deref on acp resume path

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update chip data using dev_get_drvdata(dev->parent) instead of
dev_get_platdata(dev).

BUG: kernel NULL pointer dereference, address: 0000000000000010
Call Trace:
 <TASK>
 ? __pfx_platform_pm_resume+0x10/0x10
 platform_pm_resume+0x28/0x60
 dpm_run_callback+0x51/0x1a0
 device_resume+0x1a6/0x2b0
 dpm_resume+0x168/0x230

Fixes: e3933683b2 ("ASoC: amd: acp: Remove redundant acp_dev_data structure")

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20250425060144.1773265-1-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Venkata Prasad Potturu 2025-04-25 11:31:39 +05:30 committed by Mark Brown
parent c1b0f5183a
commit ba85883d16
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
4 changed files with 4 additions and 4 deletions
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2
sound/soc/amd/acp/acp-rembrandt.c
View File

@ -199,7 +199,7 @@ static void rembrandt_audio_remove(struct platform_device *pdev)
static int rmb_pcm_resume(struct device *dev)
{
struct acp_chip_info *chip = dev_get_platdata(dev);
struct acp_chip_info *chip = dev_get_drvdata(dev->parent);
struct acp_stream *stream;
struct snd_pcm_substream *substream;
snd_pcm_uframes_t buf_in_frames;

2
sound/soc/amd/acp/acp-renoir.c
View File

@ -146,7 +146,7 @@ static void renoir_audio_remove(struct platform_device *pdev)
static int rn_pcm_resume(struct device *dev)
{
struct acp_chip_info *chip = dev_get_platdata(dev);
struct acp_chip_info *chip = dev_get_drvdata(dev->parent);
struct acp_stream *stream;
struct snd_pcm_substream *substream;
snd_pcm_uframes_t buf_in_frames;

2
sound/soc/amd/acp/acp63.c
View File

@ -250,7 +250,7 @@ static void acp63_audio_remove(struct platform_device *pdev)
static int acp63_pcm_resume(struct device *dev)
{
struct acp_chip_info *chip = dev_get_platdata(dev);
struct acp_chip_info *chip = dev_get_drvdata(dev->parent);
struct acp_stream *stream;
struct snd_pcm_substream *substream;
snd_pcm_uframes_t buf_in_frames;

2
sound/soc/amd/acp/acp70.c
View File

@ -182,7 +182,7 @@ static void acp_acp70_audio_remove(struct platform_device *pdev)
static int acp70_pcm_resume(struct device *dev)
{
struct acp_chip_info *chip = dev_get_platdata(dev);
struct acp_chip_info *chip = dev_get_drvdata(dev->parent);
struct acp_stream *stream;
struct snd_pcm_substream *substream;
snd_pcm_uframes_t buf_in_frames;