diff options
Diffstat (limited to 'tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c')
| -rw-r--r-- | tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c index 17fb1b43c320..1899bd85121f 100644 --- a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c +++ b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c @@ -53,6 +53,8 @@ static int check_all_cpu_dscr_defaults(unsigned long val) } while ((dp = readdir(sysfs))) { + int len; + if (!(dp->d_type & DT_DIR)) continue; if (!strcmp(dp->d_name, "cpuidle")) @@ -60,7 +62,9 @@ static int check_all_cpu_dscr_defaults(unsigned long val) if (!strstr(dp->d_name, "cpu")) continue; - sprintf(file, "%s%s/dscr", CPU_PATH, dp->d_name); + len = snprintf(file, LEN_MAX, "%s%s/dscr", CPU_PATH, dp->d_name); + if (len >= LEN_MAX) + continue; if (access(file, F_OK)) continue; |