linux-kernel - [PATCH 5.4 137/203] tools: PCI: Fix fd leakage

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Message-Id: <20200116231757.024280725@linuxfoundation.org>
Date:   Fri, 17 Jan 2020 00:17:34 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hewenliang <hewenliang4@...wei.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Kishon Vijay Abraham I <kishon@...com>
Subject: [PATCH 5.4 137/203] tools: PCI: Fix fd leakage

From: Hewenliang <hewenliang4@...wei.com>

commit 3c379a59b4795d7279d38c623e74b9790345a32b upstream.

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@...wei.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Acked-by: Kishon Vijay Abraham I <kishon@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 tools/pci/pcitest.c |    1 +
 1 file changed, 1 insertion(+)

--- a/tools/pci/pcitest.c
+++ b/tools/pci/pcitest.c
@@ -129,6 +129,7 @@ static int run_test(struct pci_test *tes
 	}
 
 	fflush(stdout);
+	close(fd);
 	return (ret < 0) ? ret : 1 - ret; /* return 0 if test succeeded */
 }