WARNING: line length of 116 exceeds 80 columns
#37: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c:34:
+SEC("syscall") __retval(USER_PTR_ERR) int test_strcasecmp_null1(void *ctx) { return bpf_strcasecmp(NULL, "HELLO"); }

WARNING: line length of 116 exceeds 80 columns
#38: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c:35:
+SEC("syscall")  __retval(USER_PTR_ERR)int test_strcasecmp_null2(void *ctx) { return bpf_strcasecmp("HELLO", NULL); }

WARNING: line length of 124 exceeds 80 columns
#46: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c:54:
+SEC("syscall") __retval(USER_PTR_ERR) int test_strcasecmp_user_ptr1(void *ctx) { return bpf_strcasecmp(user_ptr, "HELLO"); }

WARNING: line length of 124 exceeds 80 columns
#47: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c:55:
+SEC("syscall") __retval(USER_PTR_ERR) int test_strcasecmp_user_ptr2(void *ctx) { return bpf_strcasecmp("HELLO", user_ptr); }

WARNING: line length of 128 exceeds 80 columns
#55: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c:76:
+SEC("syscall") __retval(-EFAULT) int test_strcasecmp_pagefault1(void *ctx) { return bpf_strcasecmp(invalid_kern_ptr, "HELLO"); }

WARNING: line length of 128 exceeds 80 columns
#56: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c:77:
+SEC("syscall") __retval(-EFAULT) int test_strcasecmp_pagefault2(void *ctx) { return bpf_strcasecmp("HELLO", invalid_kern_ptr); }

WARNING: line length of 101 exceeds 80 columns
#68: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_failure2.c:10:
+SEC("syscall") int test_strcasecmp_too_long(void *ctx) { return bpf_strcasecmp(long_str, long_str); }

WARNING: line length of 91 exceeds 80 columns
#80: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_success.c:15:
+__test(0) int test_strcasecmp_eq1(void *ctx) { return bpf_strcasecmp(str, "hello world"); }

WARNING: line length of 91 exceeds 80 columns
#81: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_success.c:16:
+__test(0) int test_strcasecmp_eq2(void *ctx) { return bpf_strcasecmp(str, "HELLO WORLD"); }

WARNING: line length of 91 exceeds 80 columns
#82: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_success.c:17:
+__test(0) int test_strcasecmp_eq3(void *ctx) { return bpf_strcasecmp(str, "HELLO world"); }

WARNING: line length of 86 exceeds 80 columns
#83: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_success.c:18:
+__test(1) int test_strcasecmp_neq1(void *ctx) { return bpf_strcasecmp(str, "hello"); }

WARNING: line length of 86 exceeds 80 columns
#84: FILE: tools/testing/selftests/bpf/progs/string_kfuncs_success.c:19:
+__test(1) int test_strcasecmp_neq2(void *ctx) { return bpf_strcasecmp(str, "HELLO"); }

total: 0 errors, 12 warnings, 0 checks, 49 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 f34bff5b9570 ("selftests/bpf: Test kfunc bpf_strcasecmp") 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, 12 warnings, 0 checks, 49 lines checked