CHECK: No space is necessary after a cast
#286: FILE: tools/testing/selftests/bpf/test_progs.c:652:
+	return str_hash((const char *) key);

CHECK: No space is necessary after a cast
#291: FILE: tools/testing/selftests/bpf/test_progs.c:657:
+	return strcmp((const char *) key1, (const char *) key2) == 0;

WARNING: line length of 94 exceeds 80 columns
#345: FILE: tools/testing/selftests/bpf/test_progs.c:711:
+	return compare_name(((const struct ksym *)p1)->name, ((const struct ksym *)p2)->name);

WARNING: line length of 81 exceeds 80 columns
#376: FILE: tools/testing/selftests/bpf/test_progs.c:742:
+		f = fopen("/sys/kernel/tracing/available_filter_functions", "r");

WARNING: line length of 87 exceeds 80 columns
#378: FILE: tools/testing/selftests/bpf/test_progs.c:744:
+		f = fopen("/sys/kernel/debug/tracing/available_filter_functions", "r");

WARNING: line length of 88 exceeds 80 columns
#399: FILE: tools/testing/selftests/bpf/test_progs.c:765:
+		ks = search_kallsyms_custom_local(ksyms, name, search_kallsyms_compare);

CHECK: No space is necessary after a cast
#414: FILE: tools/testing/selftests/bpf/test_progs.c:780:
+		err = libbpf_ensure_mem((void **) &syms, &cap,

WARNING: line length of 87 exceeds 80 columns
#444: FILE: tools/testing/selftests/bpf/test_progs.c:810:
+		f = fopen("/sys/kernel/tracing/available_filter_functions_addrs", "r");

WARNING: line length of 93 exceeds 80 columns
#446: FILE: tools/testing/selftests/bpf/test_progs.c:812:
+		f = fopen("/sys/kernel/debug/tracing/available_filter_functions_addrs", "r");

WARNING: line length of 82 exceeds 80 columns
#452: FILE: tools/testing/selftests/bpf/test_progs.c:818:
+	 * allocate space to hold 64k entries. If 64k is not enough, incrementally

CHECK: Comparison to NULL could be written "!addrs"
#458: FILE: tools/testing/selftests/bpf/test_progs.c:824:
+	if (addrs == NULL) {

WARNING: From:/Signed-off-by: email address mismatch: 'From: Menglong Dong <menglong8.dong@gmail.com>' != 'Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>'

total: 0 errors, 8 warnings, 4 checks, 477 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 1a8bb8638600 ("selftests/bpf: add get_ksyms and get_addrs to test_progs.c") 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, 8 warnings, 4 checks, 477 lines checked