WARNING: line length of 82 exceeds 80 columns
#152: FILE: net/socket.c:2547:
+				 cmsg->cmsg_len - sizeof(*cmsg), CMSG_DATA(cmsg));

WARNING: line length of 86 exceeds 80 columns
#155: FILE: net/socket.c:2550:
+	err = __put_user((msg_sys->msg_flags & ~MSG_CMSG_COMPAT), COMPAT_FLAGS(umsg));

total: 0 errors, 2 warnings, 0 checks, 150 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 31c630b232c8 ("sock: support copying cmsgs to the user space in sendmsg") 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, 2 warnings, 0 checks, 150 lines checked