[PATCH 1/1] selftest: check tunnel type more accurately

[Wang Jian]

Grep tunnel type directly to make sure 'ip' command supports it.

Signed-off-by: Jian Wang <jianjian.wa...@gmail.com>
---
 tools/testing/selftests/bpf/test_tunnel.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/test_tunnel.sh
b/tools/testing/selftests/bpf/test_tunnel.sh
index aeb2901..c4b5fbb 100755
--- a/tools/testing/selftests/bpf/test_tunnel.sh
+++ b/tools/testing/selftests/bpf/test_tunnel.sh
@@ -668,7 +668,7 @@ cleanup_exit()

 check()
 {
-       ip link help $1 2>&1 | grep -q "^Usage:"
+       ip link help 2>&1 | grep -q "\s$1\s"
        if [ $? -ne 0 ];then
                echo "SKIP $1: iproute2 not support"
        cleanup