WARNING: line length of 81 exceeds 80 columns #696: FILE: net/ipv4/ip_output.c:1255: + skb_frag_size_add(&skb_shinfo(skb)->frags[i - 1], WARNING: line length of 84 exceeds 80 columns #816: FILE: net/ipv4/tcp_output.c:4002: + min_t(size_t, space, PAGE_SIZE), WARNING: line length of 81 exceeds 80 columns #892: FILE: net/ipv6/ip6_output.c:1781: + skb_frag_size_add(&skb_shinfo(skb)->frags[i - 1], WARNING: From:/Signed-off-by: email address mismatch: 'From: Yunsheng Lin ' != 'Signed-off-by: Yunsheng Lin ' total: 0 errors, 4 warnings, 0 checks, 1160 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 38847c9480e6 ("net: replace page_frag with page_frag_cache") 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, 1160 lines checked