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selftests: netconsole: remove log noise due to socat exit 

This removes some noise that can be distracting while looking at
selftests by redirecting socat stderr to /dev/null.

Before this commit, netcons_basic would output:

Running with target mode: basic (ipv6)
2025/11/29 12:08:03 socat[259] W exiting on signal 15
2025/11/29 12:08:03 socat[271] W exiting on signal 15
basic : ipv6 : Test passed
Running with target mode: basic (ipv4)
2025/11/29 12:08:05 socat[329] W exiting on signal 15
2025/11/29 12:08:05 socat[322] W exiting on signal 15
basic : ipv4 : Test passed
Running with target mode: extended (ipv6)
2025/11/29 12:08:08 socat[386] W exiting on signal 15
2025/11/29 12:08:08 socat[386] W exiting on signal 15
2025/11/29 12:08:08 socat[380] W exiting on signal 15
extended : ipv6 : Test passed
Running with target mode: extended (ipv4)
2025/11/29 12:08:10 socat[440] W exiting on signal 15
2025/11/29 12:08:10 socat[435] W exiting on signal 15
2025/11/29 12:08:10 socat[435] W exiting on signal 15
extended : ipv4 : Test passed

After these changes, output looks like:

Running with target mode: basic (ipv6)
basic : ipv6 : Test passed
Running with target mode: basic (ipv4)
basic : ipv4 : Test passed
Running with target mode: extended (ipv6)
extended : ipv6 : Test passed
Running with target mode: extended (ipv4)
extended : ipv4 : Test passed

Signed-off-by: Andre Carvalho <asantostc@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20251129-netcons-socat-noise-v1-1-605a0cea8fca@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Andre Carvalho 2025-11-29 12:24:19 +00:00 committed by Jakub Kicinski
parent ea2d3befcf
commit e3b8cbf40c
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh
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@ -249,7 +249,7 @@ function listen_port_and_save_to() {
# Just wait for 2 seconds # Just wait for 2 seconds
timeout 2 ip netns exec "${NAMESPACE}" \ timeout 2 ip netns exec "${NAMESPACE}" \
socat "${SOCAT_MODE}":"${PORT}",fork "${OUTPUT}" socat "${SOCAT_MODE}":"${PORT}",fork "${OUTPUT}" 2> /dev/null
} }
# Only validate that the message arrived properly # Only validate that the message arrived properly