From 0f23e80c272be4eaaa3e898f9e427886203be720 Mon Sep 17 00:00:00 2001 From: Yousong Zhou Date: Fri, 17 Mar 2017 17:49:29 +0800 Subject: [PATCH] iproute2: fix ip monitor can't work when NET_NS is not enabled The bug appeared in v4.1.0 and was fixed since v4.8.0 Fixes FS#620 Signed-off-by: Yousong Zhou --- package/network/utils/iproute2/Makefile | 2 +- ...-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 af8e64c242a..1c1ee3f24e7 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 00000000000..52be021e72e --- /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 +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 +Acked-by: Nicolas Dichtel +--- + 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 + -- 2.30.2