WARNING: line length of 86 exceeds 80 columns
#122: FILE: net/core/devmem.c:294:
+			binding->vec[owner->area.base_virtual / PAGE_SIZE + i] = niov;

WARNING: line length of 89 exceeds 80 columns
#171: FILE: net/core/sock.c:1112:
+			if (token >= sk->sk_user_frags.binding->dmabuf->size / PAGE_SIZE)

WARNING: line length of 83 exceeds 80 columns
#185: FILE: net/core/sock.c:1123:
+			if (atomic_dec_if_positive(&sk->sk_user_frags.urefs[token])

WARNING: line length of 113 exceeds 80 columns
#338: FILE: net/ipv4/tcp.c:2510:
+					sk->sk_user_frags.urefs = kzalloc(len * sizeof(*sk->sk_user_frags.urefs),

WARNING: Prefer kcalloc over kzalloc with multiply
#338: FILE: net/ipv4/tcp.c:2510:
+					sk->sk_user_frags.urefs = kzalloc(len * sizeof(*sk->sk_user_frags.urefs),
+									  GFP_KERNEL);

WARNING: line length of 86 exceeds 80 columns
#339: FILE: net/ipv4/tcp.c:2511:
+									  GFP_KERNEL);

WARNING: line length of 81 exceeds 80 columns
#341: FILE: net/ipv4/tcp.c:2513:
+						sk->sk_user_frags.binding = NULL;

WARNING: line length of 91 exceeds 80 columns
#347: FILE: net/ipv4/tcp.c:2519:
+						atomic_set(&sk->sk_user_frags.urefs[token],

WARNING: line length of 92 exceeds 80 columns
#351: FILE: net/ipv4/tcp.c:2523:
+					list_add(&sk->sk_devmem_list, &devmem_sockets_list);

WARNING: line length of 81 exceeds 80 columns
#360: FILE: net/ipv4/tcp.c:2532:
+				token = net_iov_virtual_addr(niov) >> PAGE_SHIFT;

total: 0 errors, 10 warnings, 0 checks, 350 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 c3a14ea75e15 ("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, 10 warnings, 0 checks, 350 lines checked