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fix(sdmmc): release aligned DMA buffer on card deinit

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This commit is contained in:
Adam Múdry
2026-08-27 12:00:24 +02:00
parent b2672c7937
commit e0c094da69
12 changed files with 171 additions and 18 deletions
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components/fatfs/vfs/vfs_fat_sdmmc.c
+11
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@@ -278,6 +278,7 @@ esp_err_t esp_vfs_fat_sdmmc_mount(const char* base_path,
esp_err_t err;
sdmmc_card_t* card = NULL;
bool host_inited = false;
bool card_inited = false;
// not using ff_memalloc here, as allocation in internal RAM is preferred
card = (sdmmc_card_t*) malloc(sizeof(sdmmc_card_t));
@@ -289,6 +290,7 @@ esp_err_t esp_vfs_fat_sdmmc_mount(const char* base_path,
err = esp_vfs_fat_sdmmc_sdcard_init(host_config, slot_config, card, &host_inited);
CHECK_EXECUTE_RESULT(err, "esp_vfs_fat_sdmmc_sdcard_init failed");
card_inited = true;
err = esp_vfs_fat_mount_initialized(card, base_path, mount_config);
CHECK_EXECUTE_RESULT(err, "esp_vfs_fat_mount_initialized failed");
@@ -299,6 +301,9 @@ cleanup:
if (host_inited) {
call_host_deinit(host_config);
}
if (card_inited) {
sdmmc_card_deinit(card);
}
free(card);
return err;
}
@@ -381,6 +386,7 @@ esp_err_t esp_vfs_fat_sdspi_mount(const char* base_path,
const sdmmc_host_t* host_config = host_config_input;
esp_err_t err;
bool host_inited = false;
bool card_inited = false;
sdmmc_card_t* card = NULL;
// not using ff_memalloc here, as allocation in internal RAM is preferred
@@ -393,6 +399,7 @@ esp_err_t esp_vfs_fat_sdspi_mount(const char* base_path,
err = esp_vfs_fat_sdspi_sdcard_init(host_config_input, slot_config, card, &host_inited);
CHECK_EXECUTE_RESULT(err, "esp_vfs_fat_sdspi_sdcard_init failed");
card_inited = true;
err = esp_vfs_fat_mount_initialized(card, base_path, mount_config);
CHECK_EXECUTE_RESULT(err, "esp_vfs_fat_mount_initialized failed");
@@ -404,6 +411,9 @@ cleanup:
if (host_inited) {
call_host_deinit(host_config);
}
if (card_inited) {
sdmmc_card_deinit(card);
}
free(card);
return err;
}
@@ -472,6 +482,7 @@ static esp_err_t unmount_card_core(const char *base_path, sdmmc_card_t *card)
ff_diskio_unregister(pdrv);
if (pdrv_num == 1) {
sdmmc_card_deinit(card);
call_host_deinit(&card->host);
free(card);
}