WARNING: line length of 82 exceeds 80 columns
#32: FILE: net/xfrm/xfrm_iptfs.c:56:
+ * L3 Header resv: For L3+L2 headers (i.e., skb->data points at the IPTFS payload)

WARNING: line length of 81 exceeds 80 columns
#95: FILE: net/xfrm/xfrm_iptfs.c:142:
+static struct sk_buff *iptfs_alloc_skb(struct sk_buff *tpl, u32 len, bool l3resv)

WARNING: line length of 97 exceeds 80 columns
#178: FILE: net/xfrm/xfrm_iptfs.c:388:
+static struct sk_buff *iptfs_copy_create_frag(struct skb_seq_state *st, u32 offset, u32 copy_len)

WARNING: line length of 96 exceeds 80 columns
#212: FILE: net/xfrm/xfrm_iptfs.c:422:
+static int iptfs_copy_create_frags(struct sk_buff **skbp, struct xfrm_iptfs_data *xtfs, u32 mtu)

WARNING: line length of 88 exceeds 80 columns
#304: FILE: net/xfrm/xfrm_iptfs.c:514:
+static int iptfs_first_skb(struct sk_buff **skbp, struct xfrm_iptfs_data *xtfs, u32 mtu)

WARNING: line length of 82 exceeds 80 columns
#446: FILE: net/xfrm/xfrm_iptfs.c:919:
+		return x->outer_mode.family == AF_INET ? IP_MAX_MTU : IP6_MAX_MTU;

total: 0 errors, 6 warnings, 0 checks, 448 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 4122eac24041 ("xfrm: iptfs: add fragmenting of larger than MTU user packets") 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, 6 warnings, 0 checks, 448 lines checked