CHECK: Please don't use multiple blank lines
#167: FILE: include/linux/bpf.h:2444:
 
+

WARNING: line length of 105 exceeds 80 columns
#202: FILE: include/linux/bpf.h:3609:
+int bpf_prog_stream_read(struct bpf_prog *prog, enum bpf_stream_id stream_id, void __user *buf, int len);

WARNING: line length of 86 exceeds 80 columns
#310: FILE: kernel/bpf/core.c:2888:
+			WARN_ON_ONCE(!llist_empty(&aux->func[i]->aux->stream[0].log));

WARNING: line length of 86 exceeds 80 columns
#311: FILE: kernel/bpf/core.c:2889:
+			WARN_ON_ONCE(!llist_empty(&aux->func[i]->aux->stream[1].log));

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#389: 
new file mode 100644

WARNING: line length of 86 exceeds 80 columns
#431: FILE: kernel/bpf/stream.c:38:
+#define BPF_STREAM_PAGE_SZ (PAGE_SIZE - offsetofend(struct bpf_stream_page, consumed))

WARNING: line length of 83 exceeds 80 columns
#491: FILE: kernel/bpf/stream.c:98:
+static int bpf_stream_page_check_room(struct bpf_stream_page *stream_page, int len)

WARNING: line length of 86 exceeds 80 columns
#511: FILE: kernel/bpf/stream.c:118:
+static struct bpf_stream_page *bpf_stream_page_from_elem(struct bpf_stream_elem *elem)

WARNING: line length of 102 exceeds 80 columns
#518: FILE: kernel/bpf/stream.c:125:
+static struct bpf_stream_elem *bpf_stream_page_push_elem(struct bpf_stream_page *stream_page, int len)

WARNING: line length of 89 exceeds 80 columns
#522: FILE: kernel/bpf/stream.c:129:
+	stream_page->consumed += round_up(offsetof(struct bpf_stream_elem, str[len]), 8);

ERROR: space required after that close brace '}'
#554: FILE: kernel/bpf/stream.c:161:
+	const int max_len = ARRAY_SIZE((struct bpf_bprintf_buffers){}.buf);

WARNING: line length of 85 exceeds 80 columns
#560: FILE: kernel/bpf/stream.c:167:
+	 * Length denotes the amount of data to be written as part of stream element,

WARNING: line length of 84 exceeds 80 columns
#561: FILE: kernel/bpf/stream.c:168:
+	 * thus includes '\0' byte. We're capped by how much bpf_bprintf_buffers can

WARNING: 'accomodate' may be misspelled - perhaps 'accommodate'?
#562: FILE: kernel/bpf/stream.c:169:
+	 * accomodate, therefore deny allocations that won't fit into them.
 	   ^^^^^^^^^^

WARNING: line length of 82 exceeds 80 columns
#574: FILE: kernel/bpf/stream.c:181:
+static int __bpf_stream_push_str(struct llist_head *log, const char *str, int len)

WARNING: line length of 83 exceeds 80 columns
#596: FILE: kernel/bpf/stream.c:203:
+	if (atomic_add_return(len, &stream->capacity) >= BPF_STREAM_MAX_CAPACITY) {

WARNING: line length of 96 exceeds 80 columns
#603: FILE: kernel/bpf/stream.c:210:
+static void bpf_stream_release_capacity(struct bpf_stream *stream, struct bpf_stream_elem *elem)

WARNING: line length of 83 exceeds 80 columns
#610: FILE: kernel/bpf/stream.c:217:
+static int bpf_stream_push_str(struct bpf_stream *stream, const char *str, int len)

WARNING: line length of 96 exceeds 80 columns
#617: FILE: kernel/bpf/stream.c:224:
+static struct bpf_stream *bpf_stream_get(enum bpf_stream_id stream_id, struct bpf_prog_aux *aux)

CHECK: multiple assignments should be avoided
#651: FILE: kernel/bpf/stream.c:258:
+		stream->backlog_head = stream->backlog_tail = NULL;

WARNING: void function return statements are not generally useful
#677: FILE: kernel/bpf/stream.c:284:
+	return;
+}

WARNING: line length of 104 exceeds 80 columns
#735: FILE: kernel/bpf/stream.c:342:
+int bpf_prog_stream_read(struct bpf_prog *prog, enum bpf_stream_id stream_id, void __user *buf, int len)

WARNING: line length of 119 exceeds 80 columns
#751: FILE: kernel/bpf/stream.c:358:
+__bpf_kfunc int bpf_stream_vprintk(int stream_id, const char *fmt__str, const void *args, u32 len__sz, void *aux__prog)

WARNING: line length of 82 exceeds 80 columns
#777: FILE: kernel/bpf/stream.c:384:
+	/* If the string was truncated, we only wrote until the size of buffer. */

WARNING: line length of 86 exceeds 80 columns
#798: FILE: kernel/bpf/stream.c:405:
+	return register_btf_kfunc_id_set(BPF_PROG_TYPE_UNSPEC, &bpf_stream_kfunc_set);

WARNING: line length of 82 exceeds 80 columns
#856: FILE: kernel/bpf/stream.c:463:
+	/* If the string was truncated, we only wrote until the size of buffer. */

WARNING: line length of 85 exceeds 80 columns
#924: FILE: kernel/bpf/syscall.c:5813:
+	ret = bpf_prog_stream_read(prog, attr->prog_stream_read.stream_id, buf, len);

WARNING: line length of 88 exceeds 80 columns
#952: FILE: kernel/bpf/verifier.c:13885:
+			if (meta.func_id == special_kfunc_list[KF_bpf_get_kmem_cache]) {

total: 1 errors, 25 warnings, 2 checks, 834 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 5d7daeddaf9e ("bpf: Introduce BPF standard streams") 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.