From: Guy Harris <guy@alum.mit.edu>
Date: Tue, 1 May 2018 06:51:28 +0000 (-0700)
Subject: Either EOPNOTSUPP or EINVAL mean "that ioctl isn't supported".
X-Git-Tag: libpcap-1.9-bp~63
X-Git-Url: https://git.tcpdump.org/libpcap/commitdiff_plain/04d16d0c49837eaae2cb5d839c311a9291d7d604

Either EOPNOTSUPP or EINVAL mean "that ioctl isn't supported".
---

diff --git a/pcap-bpf.c b/pcap-bpf.c
index 5b884caa..65dc9ed2 100644
--- a/pcap-bpf.c
+++ b/pcap-bpf.c
@@ -2747,7 +2747,7 @@ get_if_flags(const char *name, bpf_u_int32 *flags, char *errbuf)
 	memset(&req, 0, sizeof(req));
 	strncpy(req.ifm_name, name, sizeof(req.ifm_name));
 	if (ioctl(sock, SIOCGIFMEDIA, &req) < 0) {
-		if (errno == EOPNOTSUPP) {
+		if (errno == EOPNOTSUPP || errno == EINVAL) {
 			/*
 			 * Not supported, so we can't provide any
 			 * additional information.  Assume that