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selftests: net: lib: support errexit with busywait

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If errexit is enabled ('set -e'), loopy_wait -- or busywait and others
using it -- will stop after the first failure.

Note that if the returned status of loopy_wait is checked, and even if
errexit is enabled, Bash will not stop at the first error.

Fixes: 25ae948b44 ("selftests/net: add lib.sh")
Cc: stable@vger.kernel.org
Acked-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20240605-upstream-net-20240605-selftests-net-lib-fixes-v1-1-b3afadd368c9@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Matthieu Baerts (NGI0) 2024-06-05 11:21:16 +02:00 committed by Jakub Kicinski
parent 0dcc53abf5
commit 41b02ea4c0
1 changed files with 1 additions and 3 deletions
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4
tools/testing/selftests/net/lib.sh
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@ -67,9 +67,7 @@ loopy_wait()
while true while true
do do
local out local out
out=$("$@") if out=$("$@"); then
local ret=$?
if ((!ret)); then
echo -n "$out" echo -n "$out"
return 0 return 0
fi fi