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ASoC: Intel: avs: Fix null-ptr-deref in avs_component_probe()

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devm_kasprintf() returns NULL when memory allocation fails. Currently,
avs_component_probe() does not check for this case, which results in a
NULL pointer dereference.

Fixes: 739c031110da ("ASoC: Intel: avs: Provide support for fallback topology")
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Reviewed-by: Ethan Carter Edwards <ethan@ethancedwards.com>
Signed-off-by: Henry Martin <bsdhenrymartin@gmail.com>
Link: https://patch.msgid.link/20250402141411.44972-1-bsdhenrymartin@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Henry Martin 2025-04-02 22:14:11 +08:00 committed by Mark Brown
parent ef5c23ae9a
commit 95f723cf14
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 1 deletions
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3
sound/soc/intel/avs/pcm.c
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@ -927,7 +927,8 @@ static int avs_component_probe(struct snd_soc_component *component)
else
mach->tplg_filename = devm_kasprintf(adev->dev, GFP_KERNEL,
"hda-generic-tplg.bin");
if (!mach->tplg_filename)
return -ENOMEM;
filename = kasprintf(GFP_KERNEL, "%s/%s", component->driver->topology_name_prefix,
mach->tplg_filename);
if (!filename)