WARNING: line length of 88 exceeds 80 columns
#32: FILE: tools/testing/selftests/bpf/xskxceiver.c:2603:
+static int testapp_adjust_tail_common(struct test_spec *test, int adjust_value, u32 len,

WARNING: line length of 96 exceeds 80 columns
#47: FILE: tools/testing/selftests/bpf/xskxceiver.c:2618:
+	return testapp_adjust_tail_common(test, -4, XSK_RING_PROD__DEFAULT_NUM_DESCS * 3, true);

WARNING: line length of 95 exceeds 80 columns
#57: FILE: tools/testing/selftests/bpf/xskxceiver.c:2628:
+	return testapp_adjust_tail_common(test, 4, XSK_RING_PROD__DEFAULT_NUM_DESCS * 3, true);

WARNING: line length of 84 exceeds 80 columns
#67: FILE: tools/testing/selftests/bpf/xskxceiver.c:2737:
+	{.name = "XDP_ADJUST_TAIL_SHRINK", .test_func = testapp_adjust_tail_shrink},

WARNING: line length of 98 exceeds 80 columns
#68: FILE: tools/testing/selftests/bpf/xskxceiver.c:2738:
+	{.name = "XDP_ADJUST_TAIL_SHRINK_MULTI_BUFF", .test_func = testapp_adjust_tail_shrink_mb},

WARNING: line length of 94 exceeds 80 columns
#70: FILE: tools/testing/selftests/bpf/xskxceiver.c:2740:
+	{.name = "XDP_ADJUST_TAIL_GROW_MULTI_BUFF", .test_func = testapp_adjust_tail_grow_mb},

total: 0 errors, 6 warnings, 0 checks, 44 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 773aab66d3ea ("selftests/xsk: Add packet resizing tests with bpf_xdp_adjust_tail for AF_XDP") 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, 6 warnings, 0 checks, 44 lines checked