pci: align ioport unmap error handling to ioport map

Same idea as commit bd80d4730aca ("pci: rework ioport map error handling").

Signed-off-by: David Marchand <david.marchand@6wind.com>

diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c
index 9f752529b9adfa1e5a832218bab42a47f3406f6b..77d70d9eb7f702812495eec0f151e04c8d707887 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
@@ -684,12 +684,11 @@ rte_eal_pci_ioport_write(struct rte_pci_ioport *p,
 int
 rte_eal_pci_ioport_unmap(struct rte_pci_ioport *p)
 {
-       int ret;
+       int ret = -1;
 
        switch (p->dev->kdrv) {
 #ifdef VFIO_PRESENT
        case RTE_KDRV_VFIO:
-               ret = -1;
                if (pci_vfio_is_enabled())
                        ret = pci_vfio_ioport_unmap(p);
                break;
@@ -702,8 +701,6 @@ rte_eal_pci_ioport_unmap(struct rte_pci_ioport *p)
 #if defined(RTE_ARCH_X86)
                /* special case for x86 ... nothing to do */
                ret = 0;
-#else
-               ret = -1;
 #endif
                break;
        }