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-rw-r--r--py/runtime.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/py/runtime.c b/py/runtime.c
index 0ecccbd874..e7e35a081a 100644
--- a/py/runtime.c
+++ b/py/runtime.c
@@ -91,6 +91,11 @@ void mp_init(void) {
MP_STATE_VM(mp_module_builtins_override_dict) = NULL;
#endif
+ #if MICROPY_FSUSERMOUNT
+ // zero out the pointers to the user-mounted devices
+ memset(MP_STATE_VM(fs_user_mount), 0, sizeof(MP_STATE_VM(fs_user_mount)));
+ #endif
+
#if MICROPY_PY_THREAD_GIL
mp_thread_mutex_init(&MP_STATE_VM(gil_mutex));
#endif