We should close fd before the return of run_test. Fixes: 3f2ed8134834 ("tools: PCI: Add a userspace tool to test PCI endpoint") Signed-off-by: Hewenliang <hewenliang4@xxxxxxxxxx> --- tools/pci/pcitest.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c index cb1e51fcc84e..32b7c6f9043d 100644 --- a/tools/pci/pcitest.c +++ b/tools/pci/pcitest.c @@ -129,6 +129,7 @@ static int run_test(struct pci_test *test) } fflush(stdout); + close(fd); return (ret < 0) ? ret : 1 - ret; /* return 0 if test succeeded */ } -- 2.19.1