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selftests: pmtu: properly redirect stderr to /dev/null

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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: d1f1b9cbf3 ("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>
This commit is contained in:
Sabrina Dubroca 2018-09-17 15:30:06 +02:00 committed by David S. Miller
parent 87ebcffd82
commit 0a286afee5
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/net/pmtu.sh
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@ -178,8 +178,8 @@ 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
}