WARNING: line length of 120 exceeds 80 columns
#116: FILE: tools/testing/selftests/net/can/test_raw_filter.c:25:
+const int rxbits_res[TC] = {4369, 4369, 4369, 4369, 17, 4352, 17, 4352, 257, 257, 4112, 4112, 1, 256, 16, 4096, 1, 256};

ERROR: do not use assignment in if condition
#164: FILE: tools/testing/selftests/net/can/test_raw_filter.c:73:
+	if ((s = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {

WARNING: Prefer strscpy over strcpy - see: https://github.com/KSPP/linux/issues/88
#170: FILE: tools/testing/selftests/net/can/test_raw_filter.c:79:
+	strcpy(ifr.ifr_name, VCANIF);

CHECK: Blank lines aren't necessary after an open brace '{'
#191: FILE: tools/testing/selftests/net/can/test_raw_filter.c:100:
+	for (testcase = 0; testcase < TC; testcase++) {
+

WARNING: line length of 84 exceeds 80 columns
#197: FILE: tools/testing/selftests/net/can/test_raw_filter.c:106:
+		printf("testcase %2d filters : can_id = 0x%08X can_mask = 0x%08X\n",

CHECK: Blank lines aren't necessary after an open brace '{'
#233: FILE: tools/testing/selftests/net/can/test_raw_filter.c:142:
+		while (have_rx) {
+

CHECK: spaces preferred around that '+' (ctx:VxV)
#240: FILE: tools/testing/selftests/net/can/test_raw_filter.c:149:
+			ret = select(s+1, &rdfs, NULL, NULL, &tv);
 			              ^

WARNING: line length of 84 exceeds 80 columns
#254: FILE: tools/testing/selftests/net/can/test_raw_filter.c:163:
+					fprintf(stderr, "received wrong can_id!\n");

WARNING: line length of 86 exceeds 80 columns
#258: FILE: tools/testing/selftests/net/can/test_raw_filter.c:167:
+					fprintf(stderr, "received wrong testcase!\n");

WARNING: line length of 114 exceeds 80 columns
#263: FILE: tools/testing/selftests/net/can/test_raw_filter.c:172:
+				rxbitval = 1 << ((frame.can_id & (CAN_EFF_FLAG|CAN_RTR_FLAG|CAN_ERR_FLAG)) >> 28);

CHECK: spaces preferred around that '|' (ctx:VxV)
#263: FILE: tools/testing/selftests/net/can/test_raw_filter.c:172:
+				rxbitval = 1 << ((frame.can_id & (CAN_EFF_FLAG|CAN_RTR_FLAG|CAN_ERR_FLAG)) >> 28);
 				                                              ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#263: FILE: tools/testing/selftests/net/can/test_raw_filter.c:172:
+				rxbitval = 1 << ((frame.can_id & (CAN_EFF_FLAG|CAN_RTR_FLAG|CAN_ERR_FLAG)) >> 28);
 				                                                           ^

WARNING: line length of 99 exceeds 80 columns
#267: FILE: tools/testing/selftests/net/can/test_raw_filter.c:176:
+					fprintf(stderr, "received rxbitval %d twice!\n", rxbitval);

WARNING: line length of 97 exceeds 80 columns
#273: FILE: tools/testing/selftests/net/can/test_raw_filter.c:182:
+				printf("testcase %2d rx : can_id = 0x%08X rx = %d rxbits = %d\n",

WARNING: line length of 93 exceeds 80 columns
#279: FILE: tools/testing/selftests/net/can/test_raw_filter.c:188:
+			fprintf(stderr, "wrong rx value in testcase %d : %d (expected %d)\n",

WARNING: line length of 97 exceeds 80 columns
#284: FILE: tools/testing/selftests/net/can/test_raw_filter.c:193:
+			fprintf(stderr, "wrong rxbits value in testcase %d : %d (expected %d)\n",

total: 1 errors, 10 warnings, 5 checks, 273 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 ab554b27ad39 ("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.