WARNING: Misplaced SPDX-License-Identifier tag - use line 1 instead
#27: FILE: tools/testing/selftests/net/mptcp/mptcp_lib.sh:2:
 # SPDX-License-Identifier: GPL-2.0

total: 0 errors, 1 warnings, 0 checks, 28 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 2e2bd4c8fd88 ("selftests: mptcp: lib: use wait_local_port_listen helper") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 1 warnings, 0 checks, 28 lines checked