[dpdk-dev] [PATCH v6 2/5] eal: Close file descriptor of uio configuration

Tetsuya Mukawa mukawa at igel.co.jp
Fri Jun 26 10:18:22 CEST 2015


From: "Tetsuya.Mukawa" <mukawa at igel.co.jp>

When pci_uio_unmap_resource() is called, a file descriptor that is used
for uio configuration should be closed.

Signed-off-by: Tetsuya Mukawa <mukawa at igel.co.jp>
Acked-by: Stephen Hemminger <stephen at networkplumber.org>
---
 lib/librte_eal/linuxapp/eal/eal_pci_uio.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_uio.c b/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
index 5d3354d..34316b6 100644
--- a/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
@@ -464,8 +464,12 @@ pci_uio_unmap_resource(struct rte_pci_device *dev)
 
 	/* close fd if in primary process */
 	close(dev->intr_handle.fd);
-
 	dev->intr_handle.fd = -1;
+
+	/* close cfg_fd if in primary process */
+	close(dev->intr_handle.uio_cfg_fd);
+	dev->intr_handle.uio_cfg_fd = -1;
+
 	dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;
 }
 #endif /* RTE_LIBRTE_EAL_HOTPLUG */
-- 
2.1.4



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