This is a note to let you know that I've just added the patch titled
ASoC: amd: acp: add a null check for chip_pdev structure
to the 6.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-amd-acp-add-a-null-check-for-chip_pdev-structur.patch
and it can be found in the queue-6.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 16d62eb396802c6be13ee9396857b8f2e57dacf0
Author: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
Date: Mon Jun 17 12:58:34 2024 +0530
ASoC: amd: acp: add a null check for chip_pdev structure
[ Upstream commit 98d919dfee1cc402ca29d45da642852d7c9a2301 ]
When acp platform device creation is skipped, chip->chip_pdev value will
remain NULL. Add NULL check for chip->chip_pdev structure in
snd_acp_resume() function to avoid null pointer dereference.
Fixes: 088a40980efb ("ASoC: amd: acp: add pm ops support for acp pci driver")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
Link: https://msgid.link/r/20240617072844.871468-1-Vijendar.Mukunda@xxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c
index ad320b29e87dc..aa3e72d134518 100644
--- a/sound/soc/amd/acp/acp-pci.c
+++ b/sound/soc/amd/acp/acp-pci.c
@@ -199,10 +199,12 @@ static int __maybe_unused snd_acp_resume(struct device *dev)
ret = acp_init(chip);
if (ret)
dev_err(dev, "ACP init failed\n");
- child = chip->chip_pdev->dev;
- adata = dev_get_drvdata(&child);
- if (adata)
- acp_enable_interrupts(adata);
+ if (chip->chip_pdev) {
+ child = chip->chip_pdev->dev;
+ adata = dev_get_drvdata(&child);
+ if (adata)
+ acp_enable_interrupts(adata);
+ }
return ret;
}
