X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=lib%2Flibrte_pci%2Frte_pci.c;h=f400178bb63420a56292ea1ce6f53999222c2710;hb=refs%2Ftags%2Fupstream%2F18.11-rc3;hp=530738dbdf4757bd487a37bd1995345f593ad8c4;hpb=88fab00d4402af240c1b7cc2566133aece115488;p=deb_dpdk.git

diff --git a/lib/librte_pci/rte_pci.c b/lib/librte_pci/rte_pci.c
index 530738db..f400178b 100644
--- 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) {