[RFC 1/4] bus/pci: fix check on interrupt FD for FreeBSD

A 0 file descriptor is valid. And a negative value is not.
Only close a positive file descriptor.

Fixes: 5a60a7ffc801 ("pci: introduce functions to alloc and free uio resource")

Signed-off-by: David Marchand <[email protected]>
---
 drivers/bus/pci/bsd/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/pci/bsd/pci.c b/drivers/bus/pci/bsd/pci.c
index c6df31d486..bbe08605af 100644
--- a/drivers/bus/pci/bsd/pci.c
+++ b/drivers/bus/pci/bsd/pci.c
@@ -93,7 +93,7 @@ pci_uio_free_resource(struct rte_pci_device *dev,
 {
 	rte_free(uio_res);
 
-	if (rte_intr_fd_get(dev->intr_handle)) {
+	if (rte_intr_fd_get(dev->intr_handle) >= 0) {
 		close(rte_intr_fd_get(dev->intr_handle));
 		rte_intr_fd_set(dev->intr_handle, -1);
 		rte_intr_type_set(dev->intr_handle, RTE_INTR_HANDLE_UNKNOWN);
-- 
2.54.0