From 7712145073876092e9aa81f0b836fef8b5694b14 Mon Sep 17 00:00:00 2001 From: Hao Ge Date: Wed, 5 Apr 2023 18:13:50 +0800 Subject: [PATCH] KVM: selftests: Close opened file descriptor in stable_tsc_check_supported() Close the "current_clocksource" file descriptor before returning or exiting from stable_tsc_check_supported() in vmx_nested_tsc_scaling_test. Signed-off-by: Hao Ge Reviewed-by: Vipin Sharma Link: https://lore.kernel.org/r/20230405101350.259000-1-gehao@kylinos.cn Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c b/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c index d427eb1..fa03c8d 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c @@ -126,12 +126,16 @@ static void stable_tsc_check_supported(void) goto skip_test; if (fgets(buf, sizeof(buf), fp) == NULL) - goto skip_test; + goto close_fp; if (strncmp(buf, "tsc", sizeof(buf))) - goto skip_test; + goto close_fp; + fclose(fp); return; + +close_fp: + fclose(fp); skip_test: print_skip("Kernel does not use TSC clocksource - assuming that host TSC is not stable"); exit(KSFT_SKIP); -- 2.7.4