diff options
Diffstat (limited to 'tools/testing/selftests/kvm/x86_64/mmio_warning_test.c')
| -rw-r--r-- | tools/testing/selftests/kvm/x86_64/mmio_warning_test.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c b/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c index e6480fd5c4bd..9f55ccd169a1 100644 --- a/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c +++ b/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c @@ -82,8 +82,9 @@ int get_warnings_count(void) FILE *f; f = popen("dmesg | grep \"WARNING:\" | wc -l", "r"); - fscanf(f, "%d", &warnings); - fclose(f); + if (fscanf(f, "%d", &warnings) < 1) + warnings = 0; + pclose(f); return warnings; } |