WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#74: FILE: tools/testing/selftests/bpf/progs/set_global_vars.c:35:
+		volatile struct {

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#77: FILE: tools/testing/selftests/bpf/progs/set_global_vars.c:38:
+				const volatile __u8 var_u8;

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#78: FILE: tools/testing/selftests/bpf/progs/set_global_vars.c:39:
+				const volatile __s16 filler3;

WARNING: 'struc' may be misspelled - perhaps 'struct'?
#83: FILE: tools/testing/selftests/bpf/progs/set_global_vars.c:44:
+const volatile __u32 struc = 0; /* same prefix as below */
                      ^^^^^

CHECK: Please use a blank line after function/struct/union/enum declarations
#83: FILE: tools/testing/selftests/bpf/progs/set_global_vars.c:44:
+};
+const volatile __u32 struc = 0; /* same prefix as below */

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#83: FILE: tools/testing/selftests/bpf/progs/set_global_vars.c:44:
+const volatile __u32 struc = 0; /* same prefix as below */

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#84: FILE: tools/testing/selftests/bpf/progs/set_global_vars.c:45:
+const volatile struct Struct struct1 = {.struct2 = {.u = {.var_u8 = 1}}};

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#100: FILE: tools/testing/selftests/bpf/progs/set_global_vars.c:61:
+const volatile union Union union1 = {.var_u16 = -1};

WARNING: line length of 82 exceeds 80 columns
#174: FILE: tools/testing/selftests/bpf/veristat.c:1533:
+				name = btf__name_by_offset(btf, member->name_off);

WARNING: line length of 93 exceeds 80 columns
#180: FILE: tools/testing/selftests/bpf/veristat.c:1539:
+			} else if (btf_is_struct(member_type) || btf_is_union(member_type)) {

WARNING: line length of 91 exceeds 80 columns
#183: FILE: tools/testing/selftests/bpf/veristat.c:1542:
+				tmp = realloc(anon_stack, (top + 1) * sizeof(*anon_stack));

WARNING: line length of 87 exceeds 80 columns
#190: FILE: tools/testing/selftests/bpf/veristat.c:1549:
+				anon_stack[top++].offset = cur_offset + member->offset;

WARNING: line length of 90 exceeds 80 columns
#200: FILE: tools/testing/selftests/bpf/veristat.c:1559:
+				  const struct btf_type *t, struct btf_var_secinfo *sinfo)

WARNING: line length of 81 exceeds 80 columns
#221: FILE: tools/testing/selftests/bpf/veristat.c:1580:
+		fprintf(stderr, "Bitfield presets are not supported %s\n", name);

WARNING: Prefer strscpy, strscpy_pad, or __nonstring over strncpy - see: https://github.com/KSPP/linux/issues/90
#239: FILE: tools/testing/selftests/bpf/veristat.c:1598:
+	strncpy(expr, var, 256);

WARNING: line length of 85 exceeds 80 columns
#269: FILE: tools/testing/selftests/bpf/veristat.c:1651:
+				btf__name_by_offset(btf, base_type->name_off), value,

WARNING: line length of 87 exceeds 80 columns
#281: FILE: tools/testing/selftests/bpf/veristat.c:1714:
+				if (strncmp(var_name, presets[k].name, var_len) != 0 ||

WARNING: line length of 86 exceeds 80 columns
#293: FILE: tools/testing/selftests/bpf/veristat.c:1726:
+							 &tmp_sinfo, presets[k].name);

WARNING: line length of 93 exceeds 80 columns
#298: FILE: tools/testing/selftests/bpf/veristat.c:1730:
+				err = set_global_var(obj, btf, map, &tmp_sinfo, presets + k);

total: 0 errors, 18 warnings, 1 checks, 257 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 638f5a31c969 ("selftests/bpf: support struct/union presets in veristat") 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, 1 checks, 257 lines checked