CHECK: Blank lines aren't necessary before a close brace '}'
#156: FILE: tools/testing/selftests/net/can/test_raw_filter.c:57:
+
+}

WARNING: Prefer strscpy, strscpy_pad, or __nonstring over strncpy - see: https://github.com/KSPP/linux/issues/90
#173: FILE: tools/testing/selftests/net/can/test_raw_filter.c:74:
+	strncpy(ifr.ifr_name, VCANIF, sizeof(ifr.ifr_name));

CHECK: Please use a blank line after function/struct/union/enum declarations
#203: FILE: tools/testing/selftests/net/can/test_raw_filter.c:104:
+};
+#define T_EFF (CAN_EFF_FLAG >> 28)

CHECK: Please use a blank line after function/struct/union/enum declarations
#219: FILE: tools/testing/selftests/net/can/test_raw_filter.c:120:
+};
+/* Ignore EFF flag in filter ID if not covered by filter mask */

CHECK: Please use a blank line after function/struct/union/enum declarations
#232: FILE: tools/testing/selftests/net/can/test_raw_filter.c:133:
+};
+/* Ignore RTR flag in filter ID if not covered by filter mask */

CHECK: Please use a blank line after function/struct/union/enum declarations
#245: FILE: tools/testing/selftests/net/can/test_raw_filter.c:146:
+};
+/* Ignore EFF and RTR flags in filter ID if not covered by filter mask */

CHECK: Please use a blank line after function/struct/union/enum declarations
#270: FILE: tools/testing/selftests/net/can/test_raw_filter.c:171:
+};
+/* Receive only EFF frames when filter id and filter mask include EFF flag */

CHECK: Please use a blank line after function/struct/union/enum declarations
#281: FILE: tools/testing/selftests/net/can/test_raw_filter.c:182:
+};
+/* Receive only SFF frames when expecting no EFF flag, ignoring RTR flag */

CHECK: Please use a blank line after function/struct/union/enum declarations
#292: FILE: tools/testing/selftests/net/can/test_raw_filter.c:193:
+};
+/* Receive only EFF frames when filter id and filter mask include EFF flag,

CHECK: Please use a blank line after function/struct/union/enum declarations
#317: FILE: tools/testing/selftests/net/can/test_raw_filter.c:218:
+};
+/* Receive no remote frames when filtering for no RTR flag, ignoring EFF flag */

CHECK: Please use a blank line after function/struct/union/enum declarations
#328: FILE: tools/testing/selftests/net/can/test_raw_filter.c:229:
+};
+/* Receive only remote frames when filter includes RTR flag */

CHECK: Please use a blank line after function/struct/union/enum declarations
#339: FILE: tools/testing/selftests/net/can/test_raw_filter.c:240:
+};
+/* Receive only remote frames when filter includes RTR flag, ignoring EFF

CHECK: Please use a blank line after function/struct/union/enum declarations
#363: FILE: tools/testing/selftests/net/can/test_raw_filter.c:264:
+};
+/* Receive only EFF data frame when filtering for EFF but no RTR flag */

CHECK: Please use a blank line after function/struct/union/enum declarations
#373: FILE: tools/testing/selftests/net/can/test_raw_filter.c:274:
+};
+/* Receive only SFF remote frame when filtering for RTR but no EFF flag */

CHECK: Please use a blank line after function/struct/union/enum declarations
#383: FILE: tools/testing/selftests/net/can/test_raw_filter.c:284:
+};
+/* Receive only EFF remote frame when filtering for EFF and RTR flag */

CHECK: Please use a blank line after function/struct/union/enum declarations
#406: FILE: tools/testing/selftests/net/can/test_raw_filter.c:307:
+};
+/* Receive only EFF data frame when filtering for EFF flag and no RTR flag but

CHECK: Alignment should match open parenthesis
#435: FILE: tools/testing/selftests/net/can/test_raw_filter.c:336:
+	TH_LOG("filters: can_id = 0x%08X can_mask = 0x%08X",
+		rfilter.can_id, rfilter.can_mask);

WARNING: line length of 81 exceeds 80 columns
#453: FILE: tools/testing/selftests/net/can/test_raw_filter.c:354:
+			TH_LOG("failed select for frame %d, err: %d)", i, errno);

WARNING: line length of 85 exceeds 80 columns
#465: FILE: tools/testing/selftests/net/can/test_raw_filter.c:366:
+				TH_LOG("failed to read frame %d, err: %d", i, errno);

CHECK: Blank lines aren't necessary before a close brace '}'
#478: FILE: tools/testing/selftests/net/can/test_raw_filter.c:379:
+
+		}

WARNING: Prefer strscpy, strscpy_pad, or __nonstring over strncpy - see: https://github.com/KSPP/linux/issues/90
#487: FILE: tools/testing/selftests/net/can/test_raw_filter.c:388:
+		strncpy(VCANIF, ifname, sizeof(VCANIF) - 1);

WARNING: line length of 88 exceeds 80 columns
#489: FILE: tools/testing/selftests/net/can/test_raw_filter.c:390:
+		printf("VCANIF environment variable must contain the test interface\n");

total: 0 errors, 5 warnings, 17 checks, 466 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 3b4ce2cc7cf3 ("selftests: can: Import tst-filter from can-tests") 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, 5 warnings, 17 checks, 466 lines checked