CHECK: Alignment should match open parenthesis
#75: FILE: include/linux/bpf.h:4026:
+struct bpf_parser_context *alloc_bpf_parser_context(bpf_parser_handler_t func,
+			void *data);

WARNING: line length of 86 exceeds 80 columns
#112: FILE: kernel/bpf/bpf_buffer_parser.c:15:
+static inline unsigned int bpf_parser_context_hash_key(struct bpf_parser_context *ctx)

WARNING: line length of 92 exceeds 80 columns
#119: FILE: kernel/bpf/bpf_buffer_parser.c:22:
+	struct bpf_parser_context *ctx = container_of(kref, struct bpf_parser_context, ref);

CHECK: Alignment should match open parenthesis
#132: FILE: kernel/bpf/bpf_buffer_parser.c:35:
+struct bpf_parser_context *alloc_bpf_parser_context(bpf_parser_handler_t func,
+		void *data)

WARNING: Prefer kzalloc_obj over kzalloc with sizeof
#137: FILE: kernel/bpf/bpf_buffer_parser.c:40:
+	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);

CHECK: Please use a blank line after function/struct/union/enum declarations
#200: FILE: kernel/bpf/bpf_buffer_parser.c:103:
+}
+CFI_NOSEAL(bpf_parser_context_release_dtor);

CHECK: Comparison to NULL could be written "!buf"
#210: FILE: kernel/bpf/bpf_buffer_parser.c:113:
+	if (buf == NULL || buf_sz <= 0)

CHECK: Comparison to NULL could be written "!context->func"
#213: FILE: kernel/bpf/bpf_buffer_parser.c:116:
+	if (unlikely(context->func == NULL))

CHECK: Comparison to NULL could be written "old_val"
#218: FILE: kernel/bpf/bpf_buffer_parser.c:121:
+	if (old_val != NULL)

CHECK: Please use a blank line after function/struct/union/enum declarations
#249: FILE: kernel/bpf/bpf_buffer_parser.c:152:
+}
+__bpf_kfunc_end_defs();

ERROR: code indent should use tabs where possible
#258: FILE: kernel/bpf/bpf_buffer_parser.c:161:
+        .owner = THIS_MODULE,$

WARNING: please, no spaces at the start of a line
#258: FILE: kernel/bpf/bpf_buffer_parser.c:161:
+        .owner = THIS_MODULE,$

ERROR: code indent should use tabs where possible
#259: FILE: kernel/bpf/bpf_buffer_parser.c:162:
+        .set   = &buffer_parser_ids,$

WARNING: please, no spaces at the start of a line
#259: FILE: kernel/bpf/bpf_buffer_parser.c:162:
+        .set   = &buffer_parser_ids,$

CHECK: Please don't use multiple blank lines
#262: FILE: kernel/bpf/bpf_buffer_parser.c:165:
+
+

WARNING: line length of 89 exceeds 80 columns
#277: FILE: kernel/bpf/bpf_buffer_parser.c:180:
+	ret = register_btf_kfunc_id_set(BPF_PROG_TYPE_TRACING, &buffer_parser_kfunc_set);

WARNING: line length of 83 exceeds 80 columns
#279: FILE: kernel/bpf/bpf_buffer_parser.c:182:
+						   ARRAY_SIZE(buffer_parser_dtors),

total: 2 errors, 7 warnings, 8 checks, 219 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.

NOTE: Whitespace errors detected.
      You may wish to use scripts/cleanpatch or scripts/cleanfile

Commit 3bb3032d2625 ("bpf: Introduce kfuncs to parser buffer content") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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.