From: Sabrina Dubroca sd@queasysnail.net
[ Upstream commit 0a286afee5a1e8dca86d824209dbd3200294f86f ]
The cleanup function uses "$CMD 2 > /dev/null", which doesn't actually send stderr to /dev/null, so when the netns doesn't exist, the error message is shown. Use "2> /dev/null" instead, so that those messages disappear, as was intended.
Fixes: d1f1b9cbf34c ("selftests: net: Introduce first PMTU test") Signed-off-by: Sabrina Dubroca sd@queasysnail.net Acked-by: Stefano Brivio sbrivio@redhat.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- tools/testing/selftests/net/pmtu.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh index f8cc38afffa2..03e0566740de 100755 --- a/tools/testing/selftests/net/pmtu.sh +++ b/tools/testing/selftests/net/pmtu.sh @@ -175,8 +175,8 @@ setup() {
cleanup() { [ ${cleanup_done} -eq 1 ] && return - ip netns del ${NS_A} 2 > /dev/null - ip netns del ${NS_B} 2 > /dev/null + ip netns del ${NS_A} 2> /dev/null + ip netns del ${NS_B} 2> /dev/null cleanup_done=1 }