WARNING: line length of 99 exceeds 80 columns
#171: FILE: net/core/sock.c:1112:
+			if (WARN_ONCE(token >= sk->sk_user_frags.binding->dmabuf->size / PAGE_SIZE,

WARNING: line length of 93 exceeds 80 columns
#186: FILE: net/core/sock.c:1124:
+			if (WARN_ONCE(atomic_dec_if_positive(&sk->sk_user_frags.urefs[token])

WARNING: line length of 91 exceeds 80 columns
#187: FILE: net/core/sock.c:1125:
+						< 0, "user released token too many times"))

WARNING: line length of 81 exceeds 80 columns
#338: FILE: net/ipv4/tcp.c:2493:
+					size = binding->dmabuf->size / PAGE_SIZE;

WARNING: line length of 86 exceeds 80 columns
#340: FILE: net/ipv4/tcp.c:2495:
+									  GFP_KERNEL);

WARNING: line length of 81 exceeds 80 columns
#342: FILE: net/ipv4/tcp.c:2497:
+						sk->sk_user_frags.binding = NULL;

WARNING: line length of 83 exceeds 80 columns
#350: FILE: net/ipv4/tcp.c:2505:
+				if (WARN_ONCE(sk->sk_user_frags.binding != binding,

WARNING: line length of 85 exceeds 80 columns
#351: FILE: net/ipv4/tcp.c:2506:
+					      "binding changed for devmem socket")) {

WARNING: line length of 81 exceeds 80 columns
#356: FILE: net/ipv4/tcp.c:2511:
+				token = net_iov_virtual_addr(niov) >> PAGE_SHIFT;

total: 0 errors, 9 warnings, 0 checks, 348 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 45c4db51d109 ("net: devmem: use niov array for token management") 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, 9 warnings, 0 checks, 348 lines checked