The bug appeared in v4.1.0 and was fixed since v4.8.0
Fixes FS#620
Signed-off-by: Yousong Zhou <yszhou4t...@gmail.com>
---
I am also going to backport this to lede-17.01 branch
package/network/utils/iproute2/Makefile | 2 +-
...ix-ip-monitor-can-t-work-when-NET_NS-is-n.patch | 40 ++++++++++++++++++++++
2 files changed, 41 insertions(+), 1 deletion(-)
create mode 100644
package/network/utils/iproute2/patches/960-ipmonitor-fix-ip-monitor-can-t-work-when-NET_NS-is-n.patch
diff --git a/package/network/utils/iproute2/Makefile
b/package/network/utils/iproute2/Makefile
index af8e64c..1c1ee3f 100644
--- a/package/network/utils/iproute2/Makefile
+++ b/package/network/utils/iproute2/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=iproute2
PKG_VERSION:=4.4.0
-PKG_RELEASE:=8
+PKG_RELEASE:=9
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
PKG_SOURCE_URL:=@KERNEL/linux/utils/net/iproute2
diff --git
a/package/network/utils/iproute2/patches/960-ipmonitor-fix-ip-monitor-can-t-work-when-NET_NS-is-n.patch
b/package/network/utils/iproute2/patches/960-ipmonitor-fix-ip-monitor-can-t-work-when-NET_NS-is-n.patch
new file mode 100644
index 0000000..52be021
--- /dev/null
+++
b/package/network/utils/iproute2/patches/960-ipmonitor-fix-ip-monitor-can-t-work-when-NET_NS-is-n.patch
@@ -0,0 +1,40 @@
+From c44003f7e7254ac972eaa1b22a686471ea4ce2d7 Mon Sep 17 00:00:00 2001
+From: Liping Zhang <liping.zh...@spreadtrum.com>
+Date: Tue, 20 Sep 2016 02:09:02 -0700
+Subject: [PATCH] ipmonitor: fix ip monitor can't work when NET_NS is not
+ enabled
+
+In ip monitor, netns_map_init will check getnsid is supported or not.
+But when /proc/self/ns/net does not exist, we just print out error
+messages and exit. So user cannot use ip monitor anymore when
+CONFIG_NET_NS is disabled:
+ # ip monitor
+ open("/proc/self/ns/net"): No such file or directory
+
+If open "/proc/self/ns/net" failed, set have_rtnl_getnsid to false.
+
+Fixes: d652ccbf8195 ("netns: allow to dump and monitor nsid")
+Signed-off-by: Liping Zhang <liping.zh...@spreadtrum.com>
+Acked-by: Nicolas Dichtel <nicolas.dich...@6wind.com>
+---
+ ip/ipnetns.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/ip/ipnetns.c b/ip/ipnetns.c
+index af87065..ccc652c 100644
+--- a/ip/ipnetns.c
++++ b/ip/ipnetns.c
+@@ -72,8 +72,8 @@ static int ipnetns_have_nsid(void)
+ if (have_rtnl_getnsid < 0) {
+ fd = open("/proc/self/ns/net", O_RDONLY);
+ if (fd < 0) {
+- perror("open(\"/proc/self/ns/net\")");
+- exit(1);
++ have_rtnl_getnsid = 0;
++ return 0;
+ }
+
+ addattr32(&req.n, 1024, NETNSA_FD, fd);
+--
+2.6.4
+
--
2.6.4
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