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fix(fatfs): fix a memory leak bug when FF_USE_DYN_BUFFER was enabled

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LiPeng
2026-04-24 18:59:28 +08:00
parent 7c1fd3fbbf
commit 4f7b1af0f9
6 changed files with 138 additions and 57 deletions
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components/fatfs/vfs/vfs_fat.c
+9 -1
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -240,6 +240,14 @@ esp_err_t esp_vfs_fat_unregister_path(const char* base_path)
return err;
}
_lock_close(&fat_ctx->lock);
#if !FF_FS_TINY && FF_USE_DYN_BUFFER
for (size_t i = 0; i < fat_ctx->max_files; ++i) {
if (fat_ctx->files[i].buf != NULL) {
ff_memfree(fat_ctx->files[i].buf);
}
}
#endif
free(fat_ctx->flags);
free(fat_ctx);
s_fat_ctxs[ctx] = NULL;