selftest: txtimestamp: fix net ns entry logic

piso77 · davem330 · commit b346c0c85892 · 2020-07-21T16:11:07.000-07:00
According to 'man 8 ip-netns', if `ip netns identify` returns an empty string,
there's no net namespace associated with current PID: fix the net ns entrance
logic.

Signed-off-by: Paolo Pisati &lt;paolo.pisati@canonical.com&gt;
Acked-by: Willem de Bruijn &lt;willemb@google.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/tools/testing/selftests/net/txtimestamp.sh b/tools/testing/selftests/net/txtimestamp.sh
@@ -75,7 +75,7 @@ main() {
 	fi
 }
 
-if [[ "$(ip netns identify)" == "root" ]]; then
+if [[ -z "$(ip netns identify)" ]]; then
 	./in_netns.sh $0 $@
 else
 	main $@

Original file line number	Diff line number	Diff line change
`@@ -75,7 +75,7 @@ main() {`
`75`	`75`	`fi`
`76`	`76`	`}`
`77`	`77`
`78`		`-if [[ "$(ip netns identify)" == "root" ]]; then`
	`78`	`+if [[ -z "$(ip netns identify)" ]]; then`
`79`	`79`	`./in_netns.sh $0 $@`
`80`	`80`	`else`
`81`	`81`	`main $@`