pci: fix sysfs parsing for uio

Signed-off-by: Intel

diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c
index 73c0828..f5c5626 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
@@ -524,7 +524,7 @@ pci_uio_map_resource(struct rte_pci_device *dev)
                /* first try uio%d */
                errno = 0;
                uio_num = strtoull(e->d_name + shortprefix_len, &endptr, 10);
-               if (errno == 0 && endptr != e->d_name) {
+               if (errno == 0 && endptr != (e->d_name + shortprefix_len)) {
                        rte_snprintf(dirname2, sizeof(dirname2),
                                 "%s/uio%u", dirname, uio_num);
                        break;
@@ -533,7 +533,7 @@ pci_uio_map_resource(struct rte_pci_device *dev)
                /* then try uio:uio%d */
                errno = 0;
                uio_num = strtoull(e->d_name + longprefix_len, &endptr, 10);
-               if (errno == 0 && endptr != e->d_name) {
+               if (errno == 0 && endptr != (e->d_name + longprefix_len)) {
                        rte_snprintf(dirname2, sizeof(dirname2),
                                 "%s/uio:uio%u", dirname, uio_num);
                        break;