WARNING: line length of 93 exceeds 80 columns
#39: FILE: net/core/skbuff.c:3251:
+			max_vecs += skb_shinfo(frag_skb)->nr_frags + 1; // +1 for linear data

WARNING: line length of 85 exceeds 80 columns
#64: FILE: net/core/skbuff.c:3267:
+		unsigned int copy_len = min(skb_headlen(skb) - offset, len - copied);

WARNING: line length of 83 exceeds 80 columns
#94: FILE: net/core/skbuff.c:3283:
+		for (fragidx = 0; fragidx < skb_shinfo(skb)->nr_frags; fragidx++) {

WARNING: line length of 86 exceeds 80 columns
#120: FILE: net/core/skbuff.c:3293:
+			unsigned int copy_len = min(frag_size - offset, len - copied);

WARNING: line length of 89 exceeds 80 columns
#123: FILE: net/core/skbuff.c:3295:
+			bvec_set_page(&bvec[bvec_count++], skb_frag_page(frag), copy_len,

WARNING: line length of 83 exceeds 80 columns
#157: FILE: net/core/skbuff.c:3321:
+	ret = INDIRECT_CALL_2(sendmsg, sendmsg_locked, sendmsg_unlocked, sk, &msg);

total: 0 errors, 6 warnings, 0 checks, 145 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 9af5485f4983 ("skbuff: Improve the sending efficiency of __skb_send_sock") 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, 145 lines checked