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-rw-r--r--net/mctp/route.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/net/mctp/route.c b/net/mctp/route.c
index f9a80b82dc51..ce10ba7ae839 100644
--- a/net/mctp/route.c
+++ b/net/mctp/route.c
@@ -147,6 +147,7 @@ static struct mctp_sk_key *mctp_key_alloc(struct mctp_sock *msk,
key->valid = true;
spin_lock_init(&key->lock);
refcount_set(&key->refs, 1);
+ sock_hold(key->sk);
return key;
}
@@ -165,6 +166,7 @@ void mctp_key_unref(struct mctp_sk_key *key)
mctp_dev_release_key(key->dev, key);
spin_unlock_irqrestore(&key->lock, flags);
+ sock_put(key->sk);
kfree(key);
}
@@ -419,14 +421,14 @@ static int mctp_route_input(struct mctp_route *route, struct sk_buff *skb)
* this function.
*/
rc = mctp_key_add(key, msk);
- if (rc) {
- kfree(key);
- } else {
+ if (!rc)
trace_mctp_key_acquire(key);
- /* we don't need to release key->lock on exit */
- mctp_key_unref(key);
- }
+ /* we don't need to release key->lock on exit, so
+ * clean up here and suppress the unlock via
+ * setting to NULL
+ */
+ mctp_key_unref(key);
key = NULL;
} else {