Commit 77121450 authored by Hao Ge's avatar Hao Ge Committed by Sean Christopherson
Browse files

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: default avatarHao Ge <gehao@kylinos.cn>
Reviewed-by: default avatarVipin Sharma <vipinsh@google.com>
Link: https://lore.kernel.org/r/20230405101350.259000-1-gehao@kylinos.cn


Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
parent d563164e

tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c

+6 −2
Original line number Diff line number Diff line
@@ -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);