From: Fabian Frederick <f...@skynet.be>

avoid repeating the same test for different toolcheck

Signed-off-by: Fabian Frederick <f...@skynet.be>
Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
 .../selftests/netfilter/nft_flowtable.sh      | 33 +++++++------------
 1 file changed, 11 insertions(+), 22 deletions(-)

diff --git a/tools/testing/selftests/netfilter/nft_flowtable.sh 
b/tools/testing/selftests/netfilter/nft_flowtable.sh
index d3e0809ab368..68a183753c6c 100755
--- a/tools/testing/selftests/netfilter/nft_flowtable.sh
+++ b/tools/testing/selftests/netfilter/nft_flowtable.sh
@@ -21,29 +21,18 @@ ns2out=""
 
 log_netns=$(sysctl -n net.netfilter.nf_log_all_netns)
 
-nft --version > /dev/null 2>&1
-if [ $? -ne 0 ];then
-       echo "SKIP: Could not run test without nft tool"
-       exit $ksft_skip
-fi
-
-ip -Version > /dev/null 2>&1
-if [ $? -ne 0 ];then
-       echo "SKIP: Could not run test without ip tool"
-       exit $ksft_skip
-fi
-
-which nc > /dev/null 2>&1
-if [ $? -ne 0 ];then
-       echo "SKIP: Could not run test without nc (netcat)"
-       exit $ksft_skip
-fi
+checktool (){
+       $1 > /dev/null 2>&1
+       if [ $? -ne 0 ];then
+               echo "SKIP: Could not $2"
+               exit $ksft_skip
+       fi
+}
 
-ip netns add nsr1
-if [ $? -ne 0 ];then
-       echo "SKIP: Could not create net namespace"
-       exit $ksft_skip
-fi
+checktool "nft --version" "run test without nft tool"
+checktool "ip -Version" "run test without ip tool"
+checktool "which nc" "run test without nc (netcat)"
+checktool "ip netns add nsr1" "create net namespace"
 
 ip netns add ns1
 ip netns add ns2
-- 
2.20.1

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