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Message-Id: <98e75304b581d456817a13535ed3cf4f66b955d0.1521249420.git.sbrivio@redhat.com>
Date:   Sat, 17 Mar 2018 02:31:40 +0100
From:   Stefano Brivio <sbrivio@...hat.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     David Ahern <dsahern@...il.com>,
        Sabrina Dubroca <sd@...asysnail.net>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        netdev@...r.kernel.org
Subject: [PATCH net-next 03/10 v2] selftests: pmtu: Factor out MTU parsing helper

...so that it can be used for any iproute command output.

Signed-off-by: Stefano Brivio <sbrivio@...hat.com>
---
v2: No changes

 tools/testing/selftests/net/pmtu.sh | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 0d010f982272..2d33e533ad36 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -97,6 +97,16 @@ mtu() {
 	${ns_cmd} ip link set dev ${dev} mtu ${mtu}
 }
 
+mtu_parse() {
+	input="${1}"
+
+	next=0
+	for i in ${input}; do
+		[ ${next} -eq 1 ] && echo "${i}" && return
+		[ "${i}" = "mtu" ] && next=1
+	done
+}
+
 route_get_dst_exception() {
 	ns_cmd="${1}"
 	dst="${2}"
@@ -108,12 +118,7 @@ route_get_dst_pmtu_from_exception() {
 	ns_cmd="${1}"
 	dst="${2}"
 
-	exception="$(route_get_dst_exception "${ns_cmd}" ${dst})"
-	next=0
-	for i in ${exception}; do
-		[ ${next} -eq 1 ] && echo "${i}" && return
-		[ "${i}" = "mtu" ] && next=1
-	done
+	mtu_parse "$(route_get_dst_exception "${ns_cmd}" ${dst})"
 }
 
 test_pmtu_vti6_exception() {
-- 
2.15.1

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