From: Guy Harris <guy@alum.mit.edu>
Date: Sat, 5 Jan 2019 21:51:20 +0000 (-0800)
Subject: Do the same tests for "not supported" SIOCGIFMEDIA as is done elsewhere.
X-Git-Tag: libpcap-1.10-bp~691
X-Git-Url: https://git.tcpdump.org/libpcap/commitdiff_plain/0853992857112d8a1dbc4deae22c488a155eb73b?ds=sidebyside

Do the same tests for "not supported" SIOCGIFMEDIA as is done elsewhere.
---

diff --git a/pcap-bpf.c b/pcap-bpf.c
index 3ad7fafb..167c5379 100644
--- a/pcap-bpf.c
+++ b/pcap-bpf.c
@@ -2898,9 +2898,15 @@ monitor_mode(pcap_t *p, int set)
 			close(sock);
 			return (PCAP_ERROR_NO_SUCH_DEVICE);
 
+		case EOPNOTUSPP:
 		case EINVAL:
+		case ENOTTY:
+		case ENODEV:
+		case EPERM:
 			/*
 			 * Interface doesn't support SIOC{G,S}IFMEDIA.
+			 * (See above comment for why EPERM is interpreted
+			 * as meaning "not supported".)
 			 */
 			close(sock);
 			return (PCAP_ERROR_RFMON_NOTSUP);