Unverified Commit d849996f authored by Amadeusz Sławiński's avatar Amadeusz Sławiński Committed by Mark Brown
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ASoC: Intel: avs: Access path components under lock 



Path and its components should be accessed under lock to prevent
problems with one thread modifying them while other tries to read.

Fixes: c8c960c1 ("ASoC: Intel: avs: APL-based platforms support")
Reviewed-by: default avatarCezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: default avatarAmadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20230519201711.4073845-3-amadeuszx.slawinski@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent ff04437f

sound/soc/intel/avs/apl.c

+5 −1
Original line number Diff line number Diff line
@@ -169,6 +169,7 @@ static bool apl_lp_streaming(struct avs_dev *adev) 
{

	struct avs_path *path;



	spin_lock(&adev->path_list_lock);

	/* Any gateway without buffer allocated in LP area disqualifies D0IX. */

	list_for_each_entry(path, &adev->path_list, node) {

		struct avs_path_pipeline *ppl;
@@ -188,11 +189,14 @@ static bool apl_lp_streaming(struct avs_dev *adev) 
				if (cfg->copier.dma_type == INVALID_OBJECT_ID)

					continue;



				if (!mod->gtw_attrs.lp_buffer_alloc)

				if (!mod->gtw_attrs.lp_buffer_alloc) {

					spin_unlock(&adev->path_list_lock);

					return false;

				}

			}

		}

	}

	spin_unlock(&adev->path_list_lock);



	return true;

}