WARNING: line length of 90 exceeds 80 columns
#86: FILE: kernel/bpf/hashtab.c:2678:
+static void rhtab_read_elem_value(struct bpf_map *map, void *dst, struct rhtab_elem *elem,

WARNING: line length of 81 exceeds 80 columns
#146: FILE: kernel/bpf/hashtab.c:2738:
+static int rhtab_map_get_next_key(struct bpf_map *map, void *key, void *next_key)

WARNING: line length of 89 exceeds 80 columns
#162: FILE: kernel/bpf/hashtab.c:2754:
+	slot = (key && !found) ? rht_key_hashfn(&rhtab->ht, tbl, key, rhtab->params) : 0;

WARNING: line length of 81 exceeds 80 columns
#169: FILE: kernel/bpf/hashtab.c:2761:
+			} else if (memcmp(elem->data, key, map->key_size) == 0) {

WARNING: line length of 89 exceeds 80 columns
#207: FILE: kernel/bpf/hashtab.c:2799:
+	rhtab->elem_size = sizeof(struct rhtab_elem) + round_up(rhtab->map.key_size, 8) +

WARNING: line length of 83 exceeds 80 columns
#261: FILE: kernel/bpf/hashtab.c:2853:
+static void *rhtab_map_lookup_elem(struct bpf_map *map, void *key) __must_hold(RCU)

WARNING: line length of 83 exceeds 80 columns
#300: FILE: kernel/bpf/hashtab.c:2892:
+			bpf_map_free_internal_structs(map, rhtab_elem_value(elem));

WARNING: line length of 99 exceeds 80 columns
#308: FILE: kernel/bpf/hashtab.c:2900:
+static int rhtab_map_lookup_and_delete_elem(struct bpf_map *map, void *key, void *value, u64 flags)

WARNING: line length of 88 exceeds 80 columns
#314: FILE: kernel/bpf/hashtab.c:2906:
+	    ((flags & BPF_F_LOCK) && !btf_record_has_field(map->record, BPF_SPIN_LOCK)))

WARNING: line length of 96 exceeds 80 columns
#330: FILE: kernel/bpf/hashtab.c:2922:
+static long rhtab_map_update_existing(struct bpf_map *map, struct rhtab_elem *elem, void *value,

WARNING: line length of 81 exceeds 80 columns
#337: FILE: kernel/bpf/hashtab.c:2929:
+		copy_map_value_locked(map, rhtab_elem_value(elem), value, false);

WARNING: line length of 93 exceeds 80 columns
#343: FILE: kernel/bpf/hashtab.c:2935:
+static long rhtab_map_update_elem(struct bpf_map *map, void *key, void *value, u64 map_flags)

WARNING: line length of 90 exceeds 80 columns
#351: FILE: kernel/bpf/hashtab.c:2943:
+	if ((map_flags & BPF_F_LOCK) && !btf_record_has_field(map->record, BPF_SPIN_LOCK))

WARNING: line length of 92 exceeds 80 columns
#374: FILE: kernel/bpf/hashtab.c:2966:
+	tmp = rhashtable_lookup_get_insert_key(&rhtab->ht, key, &elem->node, rhtab->params);

WARNING: line length of 85 exceeds 80 columns
#402: FILE: kernel/bpf/hashtab.c:2994:
+				  (void *(*)(struct bpf_map *map, void *key)) NULL));

WARNING: line length of 96 exceeds 80 columns
#406: FILE: kernel/bpf/hashtab.c:2998:
+				offsetof(struct rhtab_elem, data) + round_up(map->key_size, 8));

WARNING: line length of 87 exceeds 80 columns
#411: FILE: kernel/bpf/hashtab.c:3003:
+static void rhtab_map_seq_show_elem(struct bpf_map *map, void *key, struct seq_file *m)

WARNING: line length of 100 exceeds 80 columns
#428: FILE: kernel/bpf/hashtab.c:3020:
+static long bpf_each_rhash_elem(struct bpf_map *map, bpf_callback_t callback_fn, void *callback_ctx,

WARNING: line length of 89 exceeds 80 columns
#460: FILE: kernel/bpf/hashtab.c:3052:
+			ret = callback_fn((u64)(long)map, (u64)(long)key, (u64)(long)val,

WARNING: line length of 82 exceeds 80 columns
#479: FILE: kernel/bpf/hashtab.c:3071:
+static int rhtab_map_lookup_batch(struct bpf_map *map, const union bpf_attr *attr,

WARNING: line length of 93 exceeds 80 columns
#485: FILE: kernel/bpf/hashtab.c:3077:
+static int rhtab_map_lookup_and_delete_batch(struct bpf_map *map, const union bpf_attr *attr,

WARNING: line length of 82 exceeds 80 columns
#518: FILE: kernel/bpf/hashtab.c:3110:
+static int bpf_iter_init_rhash_map(void *priv_data, struct bpf_iter_aux_info *aux)

total: 0 errors, 22 warnings, 0 checks, 523 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 103e34055b21 ("bpf: Implement basic functions for resizable hashtab") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 22 warnings, 0 checks, 523 lines checked