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-rw-r--r--kernel/bpf/hashtab.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 2615388..d857fcb 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -248,12 +248,11 @@ static int htab_map_update_elem(struct bpf_map *map, void *key, void *value,
memcpy(l_new->key + round_up(key_size, 8), value, map->value_size);
l_new->hash = htab_map_hash(l_new->key, key_size);
+ head = select_bucket(htab, l_new->hash);
/* bpf_map_update_elem() can be called in_irq() */
raw_spin_lock_irqsave(&htab->lock, flags);
- head = select_bucket(htab, l_new->hash);
-
l_old = lookup_elem_raw(head, l_new->hash, key, key_size);
if (!l_old && unlikely(atomic_read(&htab->count) >= map->max_entries)) {
@@ -310,11 +309,10 @@ static int htab_map_delete_elem(struct bpf_map *map, void *key)
key_size = map->key_size;
hash = htab_map_hash(key, key_size);
+ head = select_bucket(htab, hash);
raw_spin_lock_irqsave(&htab->lock, flags);
- head = select_bucket(htab, hash);
-
l = lookup_elem_raw(head, hash, key, key_size);
if (l) {
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