New upstream version 18.11-rc3

[deb_dpdk.git] / lib / librte_pci / rte_pci.c

diff --git a/lib/librte_pci/rte_pci.c b/lib/librte_pci/rte_pci.c
index 530738d..f400178 100644 (file)
--- a/lib/librte_pci/rte_pci.c
+++ b/lib/librte_pci/rte_pci.c
@@ -30,6 +30,10 @@ get_u8_pciaddr_field(const char *in, void *_u8, char dlm)
        uint8_t *u8 = _u8;
        char *end;
 
+       /* empty string is an error though strtoul() returns 0 */
+       if (*in == '\0')
+               return NULL;
+
        errno = 0;
        val = strtoul(in, &end, 16);
        if (errno != 0 || end[0] != dlm || val > UINT8_MAX) {