CHECK: Alignment should match open parenthesis
#170: FILE: include/net/inet_sock.h:42:
+	struct_group_tagged(ip_options_hdr, __hdr,
+		__be32		faddr;

WARNING: line length of 83 exceeds 80 columns
#188: FILE: include/net/inet_sock.h:60:
+static_assert(offsetof(struct ip_options, __data) == sizeof(struct ip_options_hdr),

CHECK: Please use a blank line after function/struct/union/enum declarations
#188: FILE: include/net/inet_sock.h:60:
 };
+static_assert(offsetof(struct ip_options, __data) == sizeof(struct ip_options_hdr),

WARNING: line length of 88 exceeds 80 columns
#249: FILE: net/ipv4/icmp.c:612:
+	opt_aux = container_of(&icmp_param.replyopts.opt.opt, struct ip_options, __hdr);

total: 0 errors, 2 warnings, 2 checks, 159 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 3e538d42f808 ("net: inet_sock.h: Avoid thousands of -Wflex-array-member-not-at-end warnings") 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, 2 checks, 159 lines checked