WARNING: line length of 96 exceeds 80 columns
#35: FILE: kernel/bpf/syscall.c:1714:
+static void *bpf_copy_from_dynptr_ukey(const struct bpf_map *map, bpfptr_t ukey, bool copy_data)

WARNING: line length of 86 exceeds 80 columns
#117: FILE: kernel/bpf/syscall.c:1837:
+		    copy_to_user(ukey + offset, key + offset, field->offset - offset))

WARNING: line length of 94 exceeds 80 columns
#127: FILE: kernel/bpf/syscall.c:1847:
+		if (copy_to_user((void __user *)udata, __bpf_dynptr_data(kptr, size), size) ||

WARNING: line length of 89 exceeds 80 columns
#152: FILE: kernel/bpf/syscall.c:2064:
+		next_key = bpf_copy_from_dynptr_ukey(map, USER_BPFPTR(unext_key), false);

WARNING: line length of 85 exceeds 80 columns
#176: FILE: kernel/bpf/syscall.c:2092:
+		err = copy_to_user(unext_key, next_key, map->key_size) ? -EFAULT : 0;

total: 0 errors, 5 warnings, 0 checks, 146 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 8195cb77b114 ("bpf: Handle bpf_dynptr_user in bpf syscall when it is used as output") 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, 5 warnings, 0 checks, 146 lines checked