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fix(i2s): fixed divide-by-zero coverity issue

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laokaiyao
2025-11-27 15:36:04 +08:00
parent 284c66ba06
commit f42b153669
4 changed files with 7 additions and 0 deletions
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components/esp_driver_i2s/i2s_std.c
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@@ -106,6 +106,7 @@ static esp_err_t i2s_std_set_slot(i2s_chan_handle_t handle, const i2s_std_slot_c
handle->active_slot = slot_cfg->slot_mode == I2S_SLOT_MODE_MONO ? 1 : 2;
uint32_t buf_size = i2s_get_buf_size(handle, slot_cfg->data_bit_width, handle->dma.frame_num);
ESP_RETURN_ON_FALSE(buf_size != 0, ESP_ERR_INVALID_ARG, TAG, "invalid data_bit_width");
/* The DMA buffer need to re-allocate if the buffer size changed */
if (handle->dma.buf_size != buf_size) {
ESP_RETURN_ON_ERROR(i2s_free_dma_desc(handle), TAG, "failed to free the old dma descriptor");