WARNING: line length of 81 exceeds 80 columns
#351: FILE: net/xfrm/xfrm_iptfs.c:1020:
+				iptfs_skb_prepare_frag_walk(skb, data, fragwalk);

ERROR: do not use assignment in if condition
#363: FILE: net/xfrm/xfrm_iptfs.c:1038:
+			if (!fragwalk ||

WARNING: line length of 94 exceeds 80 columns
#372: FILE: net/xfrm/xfrm_iptfs.c:1047:
+				skb = iptfs_pskb_extract_seq(iplen, skbseq, data, capturelen);

total: 1 errors, 2 warnings, 0 checks, 348 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 7fcb02c7ef93 ("xfrm: iptfs: add skb-fragment sharing code") 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.