Add check to suppress spurious error generated by noncompiant MS Surface mobile adaptors when attempting to set non-promiscuous mode

1 files changed, 8 insertions, 4 deletions

diff --git a/pcap-npf.c b/pcap-npf.c
index 215efc9d..141ff88a 100644
--- a/pcap-npf.c
+++ b/pcap-npf.c
@@ -1222,10 +1222,14 @@ pcap_activate_npf(pcap_t *p)
 			NDIS_PACKET_TYPE_BROADCAST |
 			NDIS_PACKET_TYPE_MULTICAST) == FALSE)
 		{
-			pcap_fmt_errmsg_for_win32_err(p->errbuf,
-			    PCAP_ERRBUF_SIZE, GetLastError(),
-			    "failed to set hardware filter to non-promiscuous mode");
-			goto bad;
+			/* suppress spurious error generated by noncompiant MS Surface mobile adaptors */
+			if (GetLastError() != NPF_SURFACE_MOBILE_NONPROMISC)
+			{
+				pcap_fmt_errmsg_for_win32_err(p->errbuf,
+				    PCAP_ERRBUF_SIZE, GetLastError(),
+				    "failed to set hardware filter to non-promiscuous mode");
+				goto bad;
+			}
 		}
 	}