diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 02dfbd9..59dddac 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4760,14 +4760,18 @@ EXPORT_SYMBOL_GPL(napi_hash_add); /* Warning : caller is responsible to make sure rcu grace period * is respected before freeing memory containing @napi */ -void napi_hash_del(struct napi_struct *napi) +bool napi_hash_del(struct napi_struct *napi) { + bool rcu_sync_needed = false; + spin_lock(&napi_hash_lock); - if (test_and_clear_bit(NAPI_STATE_HASHED, &napi->state)) + if (test_and_clear_bit(NAPI_STATE_HASHED, &napi->state)) { + rcu_sync_needed = true; hlist_del_rcu(&napi->napi_hash_node); - + } spin_unlock(&napi_hash_lock); + return rcu_sync_needed; } EXPORT_SYMBOL_GPL(napi_hash_del); |