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Merge branch 'selftests-net-lib-small-fixes'

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Matthieu Baerts says:

====================
selftests: net: lib: small fixes

While looking at using 'lib.sh' for the MPTCP selftests [1], we found
some small issues with 'lib.sh'. Here they are:

- Patch 1: fix 'errexit' (set -e) support with busywait. 'errexit' is
  supported in some functions, not all. A fix for v6.8+.

- Patch 2: avoid confusing error messages linked to the cleaning part
  when the netns setup fails. A fix for v6.8+.

- Patch 3: set a variable as local to avoid accidentally changing the
  value of a another one with the same name on the caller side. A fix
  for v6.10-rc1+.

Link: https://lore.kernel.org/mptcp/5f4615c3-0621-43c5-ad25-55747a4350ce@kernel.org/T/ [1]
====================

Link: https://lore.kernel.org/r/20240605-upstream-net-20240605-selftests-net-lib-fixes-v1-0-b3afadd368c9@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2024-06-06 08:23:44 -07:00
commit 27bc865408
1 changed files with 9 additions and 9 deletions
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18
tools/testing/selftests/net/lib.sh
View File

@ -15,7 +15,7 @@ ksft_xfail=2
ksft_skip=4
# namespace list created by setup_ns
NS_LIST=""
NS_LIST=()
##############################################################################
# Helpers
@ -27,6 +27,7 @@ __ksft_status_merge()
local -A weights
local weight=0
local i
for i in "$@"; do
weights[$i]=$((weight++))
done
@ -67,9 +68,7 @@ loopy_wait()
while true
do
local out
out=$("$@")
local ret=$?
if ((!ret)); then
if out=$("$@"); then
echo -n "$out"
return 0
fi
@ -139,6 +138,7 @@ cleanup_ns()
fi
for ns in "$@"; do
[ -z "${ns}" ] && continue
ip netns delete "${ns}" &> /dev/null
if ! busywait $BUSYWAIT_TIMEOUT ip netns list \| grep -vq "^$ns$" &> /dev/null; then
echo "Warn: Failed to remove namespace $ns"
@ -152,7 +152,7 @@ cleanup_ns()
cleanup_all_ns()
{
cleanup_ns $NS_LIST
cleanup_ns "${NS_LIST[@]}"
}
# setup netns with given names as prefix. e.g
@ -161,7 +161,7 @@ setup_ns()
{
local ns=""
local ns_name=""
local ns_list=""
local ns_list=()
local ns_exist=
for ns_name in "$@"; do
# Some test may setup/remove same netns multi times
@ -177,13 +177,13 @@ setup_ns()
if ! ip netns add "$ns"; then
echo "Failed to create namespace $ns_name"
cleanup_ns "$ns_list"
cleanup_ns "${ns_list[@]}"
return $ksft_skip
fi
ip -n "$ns" link set lo up
! $ns_exist && ns_list="$ns_list $ns"
! $ns_exist && ns_list+=("$ns")
done
NS_LIST="$NS_LIST $ns_list"
NS_LIST+=("${ns_list[@]}")
}
tc_rule_stats_get()