==========
checkpatch - FAILED

WARNING: line length of 92 exceeds 80 columns
#83: FILE: net/xfrm/xfrm_compat.c:133:
+	[XFRMA_SA_DIR]          = NLA_POLICY_RANGE(NLA_U8, XFRM_SA_DIR_IN, XFRM_SA_DIR_OUT),

WARNING: line length of 81 exceeds 80 columns
#117: FILE: net/xfrm/xfrm_device.c:257:
+	    (!(xuo->flags & XFRM_OFFLOAD_INBOUND) && x->dir == XFRM_SA_DIR_IN)) {

WARNING: line length of 90 exceeds 80 columns
#193: FILE: net/xfrm/xfrm_user.c:173:
+			NL_SET_ERR_MSG(extack, "Replay window should be 0 for output SA");

WARNING: line length of 88 exceeds 80 columns
#202: FILE: net/xfrm/xfrm_user.c:182:
+			NL_SET_ERR_MSG(extack, "Replay bmp_len should 0 for output SA");

ERROR: do not use assignment in if condition
#231: FILE: net/xfrm/xfrm_user.c:362:
+	if ((err = verify_replay(p, attrs, sa_dir, extack)))

WARNING: line length of 98 exceeds 80 columns
#250: FILE: net/xfrm/xfrm_user.c:397:
+			NL_SET_ERR_MSG(extack, "Flag DECAP_DSCP should not be set for output SA");

WARNING: line length of 92 exceeds 80 columns
#256: FILE: net/xfrm/xfrm_user.c:403:
+			NL_SET_ERR_MSG(extack, "Flag ICMP should not be set for output SA");

WARNING: line length of 96 exceeds 80 columns
#262: FILE: net/xfrm/xfrm_user.c:409:
+			NL_SET_ERR_MSG(extack, "Flag WILDRECV should not be set for output SA");

WARNING: line length of 90 exceeds 80 columns
#268: FILE: net/xfrm/xfrm_user.c:415:
+			NL_SET_ERR_MSG(extack, "Replay window should be 0 for output SA");

WARNING: line length of 97 exceeds 80 columns
#289: FILE: net/xfrm/xfrm_user.c:436:
+			NL_SET_ERR_MSG(extack, "Flag NOPMTUDISC should not be set for input SA");

WARNING: line length of 110 exceeds 80 columns
#298: FILE: net/xfrm/xfrm_user.c:445:
+				NL_SET_ERR_MSG(extack, "Flag DONT_ENCAP_DSCP should not be set for input SA");

WARNING: line length of 108 exceeds 80 columns
#304: FILE: net/xfrm/xfrm_user.c:451:
+				NL_SET_ERR_MSG(extack, "Flag OSEQ_MAY_WRAP should not be set for input SA");

CHECK: Blank lines aren't necessary before a close brace '}'
#309: FILE: net/xfrm/xfrm_user.c:456:
+
+		}

WARNING: line length of 92 exceeds 80 columns
#383: FILE: net/xfrm/xfrm_user.c:3167:
+	[XFRMA_SA_DIR]          = NLA_POLICY_RANGE(NLA_U8, XFRM_SA_DIR_IN, XFRM_SA_DIR_OUT),

total: 1 errors, 12 warnings, 1 checks, 336 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 b2f7c7bea038 ("xfrm: Add Direction to the SA in or out") 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.