From: Shuah Khan skhan@linuxfoundation.org
[ Upstream commit c3867ab5924b7a9a0b4a117902a08669d8be7c21 ]
get_warnings_count() does fclose() using File * returned from popen(). Fix it to call pclose() as it should.
tools/testing/selftests/kvm/x86_64/mmio_warning_test x86_64/mmio_warning_test.c: In function ‘get_warnings_count’: x86_64/mmio_warning_test.c:87:9: warning: ‘fclose’ called on pointer returned from a mismatched allocation function [-Wmismatched-dealloc] 87 | fclose(f); | ^~~~~~~~~ x86_64/mmio_warning_test.c:84:13: note: returned from ‘popen’ 84 | f = popen("dmesg | grep "WARNING:" | wc -l", "r"); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Shuah Khan skhan@linuxfoundation.org Acked-by: Paolo Bonzini pbonzini@redhat.com Signed-off-by: Shuah Khan skhan@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- tools/testing/selftests/kvm/x86_64/mmio_warning_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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 2cbc09aad7f64..92419b66b0578 100644 --- a/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c +++ b/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c @@ -84,7 +84,7 @@ int get_warnings_count(void) f = popen("dmesg | grep "WARNING:" | wc -l", "r"); if (fscanf(f, "%d", &warnings) < 1) warnings = 0; - fclose(f); + pclose(f);
return warnings; }