|SUCCESS| pw170511 [PATCH] test: remove unneeded null check before free

[0-day Robot]

From: robot at bytheb.org

Test-Label: github-robot: build
Test-Status: SUCCESS
https://patchwork.dpdk.org/patch/170511/

_github build: passed_
Build URL: https://github.com/ovsrobot/dpdk/actions/runs/37043630479