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perf(core): allow GC to free confirmation-related objects

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This commit is contained in:
Roman Zeyde 2025-03-19 17:34:06 +02:00
parent 9b29cd2027
commit 4e4d62e5a0
1 changed files with 34 additions and 28 deletions
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6
core/src/apps/management/change_language.py
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@ -63,6 +63,7 @@ async def do_change_language(
import storage.device import storage.device
from trezor import utils from trezor import utils
async def _confirm_request() -> tuple[bytes, bool]:
if data_length > translations.area_bytesize(): if data_length > translations.area_bytesize():
raise DataError("Translations too long") raise DataError("Translations too long")
@ -98,6 +99,11 @@ async def do_change_language(
# Initiate loader # Initiate loader
report(0) report(0)
return header_data, silent_install
# Allow GC to free all the above objects before allocating the blob below
header_data, silent_install = await _confirm_request()
# Loading all the data at once, so we can verify its fingerprint # Loading all the data at once, so we can verify its fingerprint
# If we saved it gradually to the storage and only checked the fingerprint at the end # If we saved it gradually to the storage and only checked the fingerprint at the end
# (with the idea of deleting the data if the fingerprint does not match), # (with the idea of deleting the data if the fingerprint does not match),