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drivers: audio: dmic_nrfx: fix memory leak

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Ensure proper release of memory slab when dmm_buffer_in_release fails in
the event_handler function.

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
This commit is contained in:
Benjamin Cabé 2025-06-11 15:23:42 +02:00 • committed by Fabio Baltieri
commit 733334917d
1 changed files with 2 additions and 0 deletions
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2
drivers/audio/dmic_nrfx_pdm.c
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@ -148,6 +148,7 @@ static void event_handler(const struct device *dev, const nrfx_pdm_evt_t *evt)
drv_data->block_size, evt->buffer_released);
if (ret < 0) {
LOG_ERR("Failed to release buffer: %d", ret);
free_buffer(drv_data, mem_slab_buffer);
return;
}
free_buffer(drv_data, mem_slab_buffer);
@ -172,6 +173,7 @@ static void event_handler(const struct device *dev, const nrfx_pdm_evt_t *evt)
drv_data->block_size, evt->buffer_released);
if (ret < 0) {
LOG_ERR("Failed to release buffer: %d", ret);
free_buffer(drv_data, mem_slab_buffer);
stop_pdm(drv_data);
return;
}