diff options
Diffstat (limited to 'tools/testing/selftests/damon/_damon_sysfs.py')
| -rw-r--r-- | tools/testing/selftests/damon/_damon_sysfs.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py index d23d7398a..fe77d7e73 100644 --- a/tools/testing/selftests/damon/_damon_sysfs.py +++ b/tools/testing/selftests/damon/_damon_sysfs.py @@ -287,6 +287,8 @@ class DamonCtx: nr_schemes_file = os.path.join( self.sysfs_dir(), 'schemes', 'nr_schemes') content, err = read_file(nr_schemes_file) + if err is not None: + return err if int(content) != len(self.schemes): err = write_file(nr_schemes_file, '%d' % len(self.schemes)) if err != None: |