WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#42: 
new file mode 100644

WARNING: line length of 94 exceeds 80 columns
#69: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:23:
+static const char udmabuf_test_buffer_name[DMA_BUF_NAME_LEN] = "udmabuf_test_buffer_for_iter";

WARNING: line length of 94 exceeds 80 columns
#72: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:26:
+static const char sysheap_test_buffer_name[DMA_BUF_NAME_LEN] = "sysheap_test_buffer_for_iter";

WARNING: line length of 90 exceeds 80 columns
#82: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:36:
+	if (!ASSERT_LE(sizeof(udmabuf_test_buffer_name), DMA_BUF_NAME_LEN, "NAMETOOLONG"))

WARNING: line length of 93 exceeds 80 columns
#109: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:63:
+	if (!ASSERT_OK(ioctl(udmabuf, DMA_BUF_SET_NAME_B, udmabuf_test_buffer_name), "name"))

WARNING: line length of 90 exceeds 80 columns
#127: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:81:
+	if (!ASSERT_LE(sizeof(sysheap_test_buffer_name), DMA_BUF_NAME_LEN, "NAMETOOLONG"))

WARNING: line length of 100 exceeds 80 columns
#141: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:95:
+	if (!ASSERT_OK(ioctl(sysheap_dmabuf, DMA_BUF_SET_NAME_B, sysheap_test_buffer_name), "name"))

WARNING: unchecked sscanf return value
#200: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:154:
+			ASSERT_EQ(sscanf(line, "%ld", &bufinfo.inode), 1,
+				  "read inode");

WARNING: Prefer kstrto<type> to single variable sscanf
#200: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:154:
+			ASSERT_EQ(sscanf(line, "%ld", &bufinfo.inode), 1,
+				  "read inode");

WARNING: unchecked sscanf return value
#203: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:157:
+			ASSERT_EQ(sscanf(line, "%ld", &bufinfo.size), 1,
+				  "read size");

WARNING: Prefer kstrto<type> to single variable sscanf
#203: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:157:
+			ASSERT_EQ(sscanf(line, "%ld", &bufinfo.size), 1,
+				  "read size");

WARNING: unchecked sscanf return value
#206: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:160:
+			ASSERT_EQ(sscanf(line, "%s", bufinfo.name), 1,
+				  "read name");

WARNING: unchecked sscanf return value
#209: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:163:
+			ASSERT_EQ(sscanf(line, "%31s", bufinfo.exporter), 1,
+				  "read exporter");

CHECK: spaces preferred around that '-' (ctx:VxV)
#294: FILE: tools/testing/selftests/bpf/progs/dmabuf_iter.c:18:
+	for (char *c = src; c && (size_t)(c-src) < size; ++c)
 	                                   ^

total: 0 errors, 13 warnings, 1 checks, 292 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 e47f8b0c9425 ("selftests/bpf: Add test for dmabuf_iter") 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, 13 warnings, 1 checks, 292 lines checked