shared/supervisor/usb_msc_flash.c: check for valid vfs from get_vfs()#10457
Merged
dhalbert merged 1 commit intoadafruit:mainfrom Jul 8, 2025
Merged
shared/supervisor/usb_msc_flash.c: check for valid vfs from get_vfs()#10457dhalbert merged 1 commit intoadafruit:mainfrom
dhalbert merged 1 commit intoadafruit:mainfrom
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@dhalbert Thanks a lot! Just tried it out in the previously problematic configuration and now CIRCUITPY shows up almost immediately again and is writable. |
FoamyGuy
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Jul 8, 2025
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This looks good to me. Thanks for the fix
This was referenced Apr 21, 2026
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The SD automount code did not always check for
get_vfs()returningNULLwhen there was no SD card, which caused mysterious results on some boards. On QT Py ESP32-S3, compiled with-Os, there were issues on Windows. On Feather ESP32-S3, also compiled with-Os, the build simply didn't work.The bug was fixed by adding a check in
tud_msc_capacity_cb(), but checks were added elsewhere for safety as well.@Sola85: I think this should fix what you saw.