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chestnut updater: close files explicitly (#38846)

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chestnut: close USB sysfs files after reading
This commit is contained in:
Daniel Koepping
2026-09-10 14:28:12 -07:00
committed by GitHub
parent 443967ddad
commit 511c1f1e4e
1 changed files with 3 additions and 3 deletions
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openpilot/system/hardware/chestnut/flash.py
+3 -3
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@@ -63,9 +63,9 @@ def find_chestnut():
found = []
for d in glob.glob("/sys/bus/usb/devices/*"):
try:
vid_pid = (open(d + "/idVendor").read().strip(), open(d + "/idProduct").read().strip())
vid_pid = (Path(d, "idVendor").read_text().strip(), Path(d, "idProduct").read_text().strip())
if vid_pid in VID_PIDS + ROM_VID_PIDS:
found.append((d, vid_pid, open(d + "/product").read().strip()))
found.append((d, vid_pid, Path(d, "product").read_text().strip()))
except OSError:
pass
if len(found) > 1:
@@ -101,7 +101,7 @@ def unbind_drivers(path):
def open_device(path):
bus, dev = int(open(path + "/busnum").read()), int(open(path + "/devnum").read())
bus, dev = int(Path(path, "busnum").read_text()), int(Path(path, "devnum").read_text())
return os.open(f"/dev/bus/usb/{bus:03d}/{dev:03d}", os.O_RDWR)