[Devel] [PATCH vz10 07/12] selftests: net: skip test_blackhole_dev if kernel module is unavailable

[Pavel Tikhomirov]

On 12/17/25 05:04, Aleksei Oladko wrote:
> The test_blackhole_dev.sh kselftest relies on the test_blackhole_dev
> kernel module to be present and loadable. If the module in not built
> or not available on the system, modprobe fails and the test is
> reported as a failure.
> 
> Add an explicit check for the availability of the test_blackhole_dev
> module and skip the test when the module is missing.
> 
> https://virtuozzo.atlassian.net/browse/VSTOR-120995
> 
> Signed-off-by: Aleksei Oladko <aleksey.oladko at virtuozzo.com>
> ---
>  tools/testing/selftests/net/test_blackhole_dev.sh | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/tools/testing/selftests/net/test_blackhole_dev.sh b/tools/testing/selftests/net/test_blackhole_dev.sh
> index 3119b80e711f..8a5c3c0d4dc7 100755
> --- a/tools/testing/selftests/net/test_blackhole_dev.sh
> +++ b/tools/testing/selftests/net/test_blackhole_dev.sh
> @@ -2,6 +2,9 @@
>  # SPDX-License-Identifier: GPL-2.0
>  # Runs blackhole-dev test using blackhole-dev kernel module
>  
> +ksft_skip=4

Can we instead of redefining ksft_skip use `source lib.sh` ?

> +modinfo test_blackhole_dev || exit $ksft_skip
> +
>  if /sbin/modprobe -q test_blackhole_dev ; then
>  	/sbin/modprobe -q -r test_blackhole_dev;
>  	echo "test_blackhole_dev: ok";

-- 
Best regards, Pavel Tikhomirov
Senior Software Developer, Virtuozzo.