CHECK: extern prototypes should be avoided in .h files
#35: FILE: tools/testing/selftests/bpf/bpf_kfuncs.h:91:
+extern int bpf_set_dentry_xattr(struct dentry *dentry, const char *name__str,

WARNING: line length of 91 exceeds 80 columns
#36: FILE: tools/testing/selftests/bpf/bpf_kfuncs.h:92:
+				const struct bpf_dynptr *value_p, int flags) __ksym __weak;

WARNING: line length of 95 exceeds 80 columns
#37: FILE: tools/testing/selftests/bpf/bpf_kfuncs.h:93:
+extern int bpf_remove_dentry_xattr(struct dentry *dentry, const char *name__str) __ksym __weak;

CHECK: extern prototypes should be avoided in .h files
#37: FILE: tools/testing/selftests/bpf/bpf_kfuncs.h:93:
+extern int bpf_remove_dentry_xattr(struct dentry *dentry, const char *name__str) __ksym __weak;

WARNING: line length of 88 exceeds 80 columns
#64: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:84:
+	err = getxattr(testfile, skel->rodata->xattr_foo, value_out, sizeof(value_out));

WARNING: line length of 92 exceeds 80 columns
#66: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:86:
+	ASSERT_EQ(strncmp(value_out, value_foo, sizeof(value_foo)), 0, "strncmp value_foo");

WARNING: line length of 99 exceeds 80 columns
#71: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:91:
+	ASSERT_OK(setxattr(testfile, skel->rodata->xattr_foo, value_foo, strlen(value_foo) + 1, 0),

WARNING: line length of 88 exceeds 80 columns
#80: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:100:
+	err = getxattr(testfile, skel->rodata->xattr_bar, value_out, sizeof(value_out));

WARNING: line length of 94 exceeds 80 columns
#82: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:102:
+	ASSERT_EQ(strncmp(value_out, skel->data->value_bar, sizeof(skel->data->value_bar)), 0,

WARNING: line length of 88 exceeds 80 columns
#91: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:111:
+	err = getxattr(testfile, skel->rodata->xattr_bar, value_out, sizeof(value_out));

WARNING: line length of 95 exceeds 80 columns
#112: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:132:
+	err = setxattr(testfile, skel->rodata->xattr_foo, value_foo, strlen(value_foo) + 1, 0);

WARNING: line length of 93 exceeds 80 columns
#143: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:163:
+	ASSERT_TRUE(skel->bss->set_security_bpf_bar_success, "set_security_bpf_bar_success");

WARNING: line length of 99 exceeds 80 columns
#144: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:164:
+	ASSERT_TRUE(skel->bss->remove_security_bpf_bar_success, "remove_security_bpf_bar_success");

WARNING: line length of 87 exceeds 80 columns
#145: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:165:
+	ASSERT_TRUE(skel->bss->set_security_selinux_fail, "set_security_selinux_fail");

WARNING: line length of 93 exceeds 80 columns
#146: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:166:
+	ASSERT_TRUE(skel->bss->remove_security_selinux_fail, "remove_security_selinux_fail");

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#191: 
new file mode 100644

WARNING: const array should probably be static const
#209: FILE: tools/testing/selftests/bpf/progs/test_set_remove_xattr.c:14:
+const char xattr_foo[] = "security.bpf.foo";

WARNING: const array should probably be static const
#210: FILE: tools/testing/selftests/bpf/progs/test_set_remove_xattr.c:15:
+const char xattr_bar[] = "security.bpf.bar";

WARNING: const array should probably be static const
#211: FILE: tools/testing/selftests/bpf/progs/test_set_remove_xattr.c:16:
+const char xattr_linux[] = "security.selinux";

WARNING: line length of 81 exceeds 80 columns
#252: FILE: tools/testing/selftests/bpf/progs/test_set_remove_xattr.c:57:
+		bpf_dynptr_from_mem(value_bar, sizeof(value_bar), 0, &value_ptr);

WARNING: line length of 81 exceeds 80 columns
#308: FILE: tools/testing/selftests/bpf/progs/test_set_remove_xattr.c:113:
+		bpf_dynptr_from_mem(value_bar, sizeof(value_bar), 0, &value_ptr);

total: 0 errors, 19 warnings, 2 checks, 285 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 15717b3b5c84 ("selftests/bpf: Test kfuncs that set and remove xattr from BPF programs") 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, 19 warnings, 2 checks, 285 lines checked