ignore /sys/net/dev files on ENODEV (#693943)

libpcap-nodev.patch

@@ -0,0 +1,36 @@
+commit 02096148c9c407502697cfefbc0aed50eb820bbd
+Author: andy-1 <andy-1@sourceforge.net>
+Date:   Tue Apr 27 23:33:23 2010 -0700
+
+    Ignore /sys/net/dev files if we get ENODEV for them, not just ENXIO.
+    
+    Both of them are indications that there's no such interface, so the file
+    probably corresponds to something other than a device.
+    
+    Reviewed-By: Guy Harris <guy@alum.mit.edu>
+
+diff --git a/CREDITS b/CREDITS
+index 0d23783..6efc188 100644
+--- a/CREDITS
++++ b/CREDITS
+@@ -15,6 +15,7 @@ Additional people who have contributed patches:
+ 	Alexey Kuznetsov		<kuznet at ms2 dot inr dot ac dot ru>
+ 	Alon Bar-Lev			<alonbl at sourceforge dot net>
+ 	Andrew Brown			<atatat at atatdot dot net>
++					<andy-1 at sourceforge dot net>
+ 	Antti Kantee			<pooka at netbsd dot org>
+ 	Arien Vijn			<arienvijn at sourceforge dot net>
+ 	Arkadiusz Miskiewicz		<misiek at pld dot org dot pl>
+diff --git a/pcap-linux.c b/pcap-linux.c
+index af12543..de3239a 100644
+--- a/pcap-linux.c
++++ b/pcap-linux.c
+@@ -1883,7 +1883,7 @@ scan_sys_class_net(pcap_if_t **devlistp, char *errbuf)
+ 		 */
+ 		strncpy(ifrflags.ifr_name, name, sizeof(ifrflags.ifr_name));
+ 		if (ioctl(fd, SIOCGIFFLAGS, (char *)&ifrflags) < 0) {
+-			if (errno == ENXIO)
++			if (errno == ENXIO || errno == ENODEV)
+ 				continue;
+ 			(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+ 			    "SIOCGIFFLAGS: %.*s: %s",

libpcap.spec

@@ -13,6 +13,7 @@ Source: http://www.tcpdump.org/release/%{name}-%{version}.tar.gz
 Patch1: libpcap-man.patch
 Patch2: libpcap-multilib.patch
 Patch3: libpcap-s390.patch
+Patch4: libpcap-nodev.patch
 
 %description
 Libpcap provides a portable framework for low-level network
@@ -49,6 +50,7 @@ resources needed for developing libpcap applications.
 %patch1 -p1 -b .man 
 %patch2 -p1 -b .multilib
 %patch3 -p1 -b .s390
+%patch4 -p1 -b .nodev
 
 #sparc needs -fPIC 
 %ifarch %{sparc}