kopia lustrzana https://github.com/espressif/esp-idf
SHA: fix dma lldesc going out of scope issue
DMA process didnt wait for idle before returning. This meant that there was a potential for the dma descriptors which were on the stack to be reclaimed before the DMA operation finished.pull/6275/head
rodzic
178b122c14
commit
09e1d104ba
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@ -226,7 +226,7 @@ int esp_sha_dma(esp_sha_type sha_type, const void *input, uint32_t ilen,
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/* Copy to internal buf if buf is in non DMA capable memory */
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if (!esp_ptr_dma_ext_capable(buf) && !esp_ptr_dma_capable(buf) && (buf_len != 0)) {
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dma_cap_buf = heap_caps_malloc(sizeof(unsigned char) * buf_len, MALLOC_CAP_DMA);
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dma_cap_buf = heap_caps_malloc(sizeof(unsigned char) * buf_len, MALLOC_CAP_8BIT|MALLOC_CAP_DMA|MALLOC_CAP_INTERNAL);
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if (dma_cap_buf == NULL) {
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ESP_LOGE(TAG, "Failed to allocate buf memory");
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ret = -1;
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@ -301,6 +301,7 @@ static esp_err_t esp_sha_dma_process(esp_sha_type sha_type, const void *input, u
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sha_hal_hash_dma(sha_type, dma_descr_head, num_blks, is_first_block);
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sha_hal_wait_idle();
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return ret;
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}
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