diff options
Diffstat (limited to 'tools/testing/selftests/firmware/fw_filesystem.sh')
| -rwxr-xr-x | tools/testing/selftests/firmware/fw_filesystem.sh | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/testing/selftests/firmware/fw_filesystem.sh b/tools/testing/selftests/firmware/fw_filesystem.sh index 61f9b1dbbd9b..63c310cdac09 100755 --- a/tools/testing/selftests/firmware/fw_filesystem.sh +++ b/tools/testing/selftests/firmware/fw_filesystem.sh @@ -29,9 +29,11 @@ test_finish() echo "$OLD_TIMEOUT" >/sys/class/firmware/timeout fi if [ "$OLD_FWPATH" = "" ]; then - OLD_FWPATH=" " + # A zero-length write won't work; write a null byte + printf '\000' >/sys/module/firmware_class/parameters/path + else + echo -n "$OLD_FWPATH" >/sys/module/firmware_class/parameters/path fi - echo -n "$OLD_FWPATH" >/sys/module/firmware_class/parameters/path rm -f "$FW" rmdir "$FWPATH" } |