WARNING: line length of 127 exceeds 80 columns
#104: FILE: drivers/net/tun.c:1783:
+			hdr_len = max(tun16_to_cpu(flags, gso.csum_start) + tun16_to_cpu(flags, gso.csum_offset) + 2, hdr_len);

WARNING: line length of 81 exceeds 80 columns
#114: FILE: drivers/net/tun.c:1863:
+	if (virtio_net_hdr_to_skb(skb, &gso, tun_is_little_endian(tun->flags))) {

WARNING: line length of 94 exceeds 80 columns
#137: FILE: drivers/net/tun.c:2129:
+					   sinfo->gso_type, tun16_to_cpu(flags, gso.gso_size),

WARNING: line length of 101 exceeds 80 columns
#143: FILE: drivers/net/tun.c:2134:
+					       min((int)tun16_to_cpu(flags, gso.hdr_len), 64), true);

total: 0 errors, 4 warnings, 0 checks, 141 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 c30449d0329c ("tun: Decouple vnet from tun_struct") 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, 141 lines checked