WARNING: line length of 98 exceeds 80 columns
#62: FILE: tools/testing/selftests/bpf/progs/xsk_xdp_progs.c:89:
+			/* Set adjust_value to -EOPNOTSUPP to indicate to userspace that this case

WARNING: line length of 99 exceeds 80 columns
#84: FILE: tools/testing/selftests/bpf/progs/xsk_xdp_progs.c:111:
+		/* Convert sequence number to network byte order. Store this in the last 4 bytes of

WARNING: line length of 93 exceeds 80 columns
#85: FILE: tools/testing/selftests/bpf/progs/xsk_xdp_progs.c:112:
+		 * the packet. Use 'adjust_value' to determine the position at the end of the

WARNING: line length of 98 exceeds 80 columns
#89: FILE: tools/testing/selftests/bpf/progs/xsk_xdp_progs.c:116:
+		bpf_xdp_store_bytes(xdp, curr_buff_len - adjust_value, &seq_num, sizeof(seq_num));

WARNING: line length of 92 exceeds 80 columns
#104: FILE: tools/testing/selftests/bpf/xsk_xdp_common.h:7:
+#define PKT_HDR_ALIGN (sizeof(struct ethhdr) + 2) /* Just to align the data in the packet */

WARNING: line length of 85 exceeds 80 columns
#134: FILE: tools/testing/selftests/bpf/xskxceiver.c:1006:
+		ksft_print_msg("Error: could not find bss section of XDP program\n");

WARNING: line length of 89 exceeds 80 columns
#140: FILE: tools/testing/selftests/bpf/xskxceiver.c:1012:
+		ksft_print_msg("Error: bpf_map_lookup_elem failed with error %d\n", ret);

WARNING: line length of 95 exceeds 80 columns
#144: FILE: tools/testing/selftests/bpf/xskxceiver.c:1016:
+	/* Set the 'adjust_value' variable to -EOPNOTSUPP in the XDP program if the adjust_tail

WARNING: line length of 84 exceeds 80 columns
#145: FILE: tools/testing/selftests/bpf/xskxceiver.c:1017:
+	 * helper is not supported. Skip the adjust_tail test case in this scenario.

WARNING: line length of 88 exceeds 80 columns
#161: FILE: tools/testing/selftests/bpf/xskxceiver.c:1800:
+		if (test->adjust_tail && !is_adjust_tail_supported(ifobject->xdp_progs))

WARNING: line length of 99 exceeds 80 columns
#204: FILE: tools/testing/selftests/bpf/xskxceiver.c:2582:
+		ksft_test_result_skip("%s %sResize pkt with bpf_xdp_adjust_tail() not supported\n",

WARNING: line length of 81 exceeds 80 columns
#205: FILE: tools/testing/selftests/bpf/xskxceiver.c:2583:
+				      mode_string(test), busy_poll_string(test));

WARNING: line length of 88 exceeds 80 columns
#212: FILE: tools/testing/selftests/bpf/xskxceiver.c:2590:
+static int testapp_adjust_tail_common(struct test_spec *test, int adjust_value, u32 len,

WARNING: line length of 96 exceeds 80 columns
#227: FILE: tools/testing/selftests/bpf/xskxceiver.c:2605:
+	return testapp_adjust_tail_common(test, -4, XSK_RING_PROD__DEFAULT_NUM_DESCS * 3, true);

WARNING: line length of 95 exceeds 80 columns
#237: FILE: tools/testing/selftests/bpf/xskxceiver.c:2615:
+	return testapp_adjust_tail_common(test, 4, XSK_RING_PROD__DEFAULT_NUM_DESCS * 3, true);

WARNING: line length of 84 exceeds 80 columns
#247: FILE: tools/testing/selftests/bpf/xskxceiver.c:2724:
+	{.name = "XDP_ADJUST_TAIL_SHRINK", .test_func = testapp_adjust_tail_shrink},

WARNING: line length of 98 exceeds 80 columns
#248: FILE: tools/testing/selftests/bpf/xskxceiver.c:2725:
+	{.name = "XDP_ADJUST_TAIL_SHRINK_MULTI_BUFF", .test_func = testapp_adjust_tail_shrink_mb},

WARNING: line length of 94 exceeds 80 columns
#250: FILE: tools/testing/selftests/bpf/xskxceiver.c:2727:
+	{.name = "XDP_ADJUST_TAIL_GROW_MULTI_BUFF", .test_func = testapp_adjust_tail_grow_mb},

total: 0 errors, 18 warnings, 0 checks, 217 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 536de4ec8fc9 ("selftests/xsk: Add tail adjustment tests and support check") 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, 18 warnings, 0 checks, 217 lines checked