WARNING: line length of 86 exceeds 80 columns
#462: FILE: net/homa/homa_plumbing.c:370:
+		hsk->error_msg = "address family in bind address didn't match socket";

WARNING: line length of 124 exceeds 80 columns
#606: FILE: net/homa/homa_plumbing.c:514:
+				hsk->error_msg = "couldn't copy homa_rpc_info to user space: invalid or read-only address?";

WARNING: line length of 93 exceeds 80 columns
#624: FILE: net/homa/homa_plumbing.c:532:
+		hsk->error_msg = "couldn't copy homa_info to user space: read-only address?";

WARNING: line length of 87 exceeds 80 columns
#678: FILE: net/homa/homa_plumbing.c:586:
+		hsk->error_msg = "homa_setsockopt invoked with level not IPPROTO_HOMA";

WARNING: Prefer using '"%s...", __func__' to using 'homa_setsockopt', this function's name, in a string
#678: FILE: net/homa/homa_plumbing.c:586:
+		hsk->error_msg = "homa_setsockopt invoked with level not IPPROTO_HOMA";

WARNING: line length of 108 exceeds 80 columns
#686: FILE: net/homa/homa_plumbing.c:594:
+			hsk->error_msg = "invalid optlen argument: must be sizeof(struct homa_rcvbuf_args)";

WARNING: line length of 81 exceeds 80 columns
#700: FILE: net/homa/homa_plumbing.c:608:
+			hsk->error_msg = "receive buffer region is not writable";

WARNING: line length of 88 exceeds 80 columns
#710: FILE: net/homa/homa_plumbing.c:618:
+			hsk->error_msg = "invalid optlen argument: must be sizeof(int)";

WARNING: line length of 84 exceeds 80 columns
#715: FILE: net/homa/homa_plumbing.c:623:
+			hsk->error_msg = "invalid address for SO_HOMA_SERVER value";

WARNING: line length of 85 exceeds 80 columns
#753: FILE: net/homa/homa_plumbing.c:661:
+		hsk->error_msg = "invalid address for optlen argument to getsockopt";

WARNING: line length of 87 exceeds 80 columns
#758: FILE: net/homa/homa_plumbing.c:666:
+		hsk->error_msg = "homa_getsockopt invoked with level not IPPROTO_HOMA";

WARNING: Prefer using '"%s...", __func__' to using 'homa_getsockopt', this function's name, in a string
#758: FILE: net/homa/homa_plumbing.c:666:
+		hsk->error_msg = "homa_getsockopt invoked with level not IPPROTO_HOMA";

WARNING: line length of 108 exceeds 80 columns
#763: FILE: net/homa/homa_plumbing.c:671:
+			hsk->error_msg = "invalid optlen argument: must be sizeof(struct homa_rcvbuf_args)";

WARNING: line length of 88 exceeds 80 columns
#774: FILE: net/homa/homa_plumbing.c:682:
+			hsk->error_msg = "invalid optlen argument: must be sizeof(int)";

WARNING: line length of 93 exceeds 80 columns
#787: FILE: net/homa/homa_plumbing.c:695:
+		hsk->error_msg = "couldn't update optlen argument to getsockopt: read-only?";

WARNING: line length of 93 exceeds 80 columns
#792: FILE: net/homa/homa_plumbing.c:700:
+		hsk->error_msg = "couldn't update optval argument to getsockopt: read-only?";

WARNING: line length of 88 exceeds 80 columns
#823: FILE: net/homa/homa_plumbing.c:731:
+		hsk->error_msg = "msg_control argument for sendmsg isn't in user space";

WARNING: line length of 87 exceeds 80 columns
#829: FILE: net/homa/homa_plumbing.c:737:
+		hsk->error_msg = "invalid address for msg_control argument to sendmsg";

WARNING: line length of 85 exceeds 80 columns
#835: FILE: net/homa/homa_plumbing.c:743:
+		hsk->error_msg = "reserved fields in homa_sendmsg_args must be zero";

WARNING: line length of 91 exceeds 80 columns
#848: FILE: net/homa/homa_plumbing.c:756:
+		hsk->error_msg = "address family in sendmsg address must match the socket";

WARNING: line length of 109 exceeds 80 columns
#881: FILE: net/homa/homa_plumbing.c:789:
+			hsk->error_msg = "couldn't update homa_sendmsg_args argument to sendmsg: read-only?";

WARNING: line length of 97 exceeds 80 columns
#891: FILE: net/homa/homa_plumbing.c:799:
+			hsk->error_msg = "completion_cookie must be zero when sending responses";

WARNING: line length of 82 exceeds 80 columns
#907: FILE: net/homa/homa_plumbing.c:815:
+			hsk->error_msg = "RPC has failed, so can't send response";

WARNING: line length of 94 exceeds 80 columns
#912: FILE: net/homa/homa_plumbing.c:820:
+			hsk->error_msg = "RPC is not in a state where a response can be sent";

WARNING: line length of 87 exceeds 80 columns
#970: FILE: net/homa/homa_plumbing.c:878:
+		hsk->error_msg = "invalid address for msg_control argument to recvmsg";

WARNING: line length of 85 exceeds 80 columns
#981: FILE: net/homa/homa_plumbing.c:889:
+		hsk->error_msg = "reserved fields in homa_recvmsg_args must be zero";

WARNING: line length of 82 exceeds 80 columns
#986: FILE: net/homa/homa_plumbing.c:894:
+		hsk->error_msg = "SO_HOMA_RECVBUF socket option has not been set";

WARNING: line length of 91 exceeds 80 columns
#1009: FILE: net/homa/homa_plumbing.c:917:
+			hsk->error_msg = "error while waiting for private RPC to complete";

WARNING: line length of 90 exceeds 80 columns
#1020: FILE: net/homa/homa_plumbing.c:928:
+			hsk->error_msg = "error while waiting for shared RPC to complete";

WARNING: line length of 101 exceeds 80 columns
#1096: FILE: net/homa/homa_plumbing.c:1004:
+		hsk->error_msg = "couldn't update homa_recvmsg_args argument to recvmsg: read-only?";

total: 0 errors, 30 warnings, 0 checks, 1366 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 fe4348de4bfd ("net: homa: create homa_plumbing.c") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 30 warnings, 0 checks, 1366 lines checked