WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#46: 
new file mode 100644

WARNING: line length of 94 exceeds 80 columns
#73: 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
#76: 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
#86: 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 99 exceeds 80 columns
#113: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:63:
+	if (!ASSERT_OK(ioctl(local_udmabuf, DMA_BUF_SET_NAME_B, udmabuf_test_buffer_name), "name"))

WARNING: line length of 90 exceeds 80 columns
#137: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:87:
+	if (!ASSERT_LE(sizeof(sysheap_test_buffer_name), DMA_BUF_NAME_LEN, "NAMETOOLONG"))

WARNING: line length of 93 exceeds 80 columns
#149: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:99:
+	if (!ASSERT_OK(ioctl(data.fd, DMA_BUF_SET_NAME_B, sysheap_test_buffer_name), "name"))

WARNING: line length of 81 exceeds 80 columns
#196: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:146:
+static void subtest_dmabuf_iter_check_no_infinite_reads(struct dmabuf_iter *skel)

WARNING: unchecked sscanf return value
#232: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:182:
+			ASSERT_EQ(sscanf(line, "%ld", &bufinfo.inode), 1,
+				  "read inode");

WARNING: Prefer kstrto<type> to single variable sscanf
#232: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:182:
+			ASSERT_EQ(sscanf(line, "%ld", &bufinfo.inode), 1,
+				  "read inode");

WARNING: unchecked sscanf return value
#235: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:185:
+			ASSERT_EQ(sscanf(line, "%ld", &bufinfo.size), 1,
+				  "read size");

WARNING: Prefer kstrto<type> to single variable sscanf
#235: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:185:
+			ASSERT_EQ(sscanf(line, "%ld", &bufinfo.size), 1,
+				  "read size");

WARNING: unchecked sscanf return value
#238: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:188:
+			ASSERT_EQ(sscanf(line, "%s", bufinfo.name), 1,
+				  "read name");

WARNING: unchecked sscanf return value
#241: FILE: tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c:191:
+			ASSERT_EQ(sscanf(line, "%31s", bufinfo.exporter), 1,
+				  "read exporter");

total: 0 errors, 14 warnings, 0 checks, 308 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 874e7432705b ("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, 14 warnings, 0 checks, 308 lines checked