WARNING: line length of 83 exceeds 80 columns
#103: FILE: net/core/sock.c:909:
+static long int sock_calculate_tskey_offset(struct sock *sk, int val, int bpf_type)

WARNING: Prefer 'long' over 'long int' as the int is unnecessary
#103: FILE: net/core/sock.c:909:
+static long int sock_calculate_tskey_offset(struct sock *sk, int val, int bpf_type)

WARNING: line length of 81 exceeds 80 columns
#122: FILE: net/core/sock.c:928:
+	} else if (!bpf_type && (sk->sk_tsflags_bpf & SOF_TIMESTAMPING_OPT_ID)) {

WARNING: Prefer 'long' over 'long int' as the int is unnecessary
#149: FILE: net/core/sock.c:947:
+		long int ret;

total: 0 errors, 4 warnings, 0 checks, 130 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 9fe10b1cd7fb ("net-timestamp: add basic support with tskey offset") 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, 4 warnings, 0 checks, 130 lines checked