WARNING: line length of 131 exceeds 80 columns
#368: FILE: drivers/net/tun_vnet.h:125:
+		hdr_len = max(tun_vnet16_to_cpu(flags, hdr->csum_start) + tun_vnet16_to_cpu(flags, hdr->csum_offset) + 2, hdr_len);

WARNING: line length of 81 exceeds 80 columns
#397: FILE: drivers/net/tun_vnet.h:154:
+	return virtio_net_hdr_to_skb(skb, hdr, tun_vnet_is_little_endian(flags));

WARNING: line length of 92 exceeds 80 columns
#414: FILE: drivers/net/tun_vnet.h:171:
+				   sinfo->gso_type, tun_vnet16_to_cpu(flags, hdr->gso_size),

WARNING: line length of 94 exceeds 80 columns
#419: FILE: drivers/net/tun_vnet.h:176:
+				       min(tun_vnet16_to_cpu(flags, hdr->hdr_len), 64), true);

total: 0 errors, 4 warnings, 0 checks, 391 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 dbe60478c663 ("tun: Extract the vnet handling 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.
total: 0 errors, 4 warnings, 0 checks, 391 lines checked