net/tipc: fix missing destroy_workqueue() on error in tipc_crypto_start()

Add the missing destroy_workqueue() before return from
tipc_crypto_start() in the error handling case.

Fixes: 1ef6f7c9390f ("tipc: add automatic session key exchange")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c
index 6f64acef73dceecbe61bff7cbfad84cb79f74188..76b8428c94a757a9c049452d0933c0d665d609e7 100644 (file)
--- a/net/tipc/crypto.c
+++ b/net/tipc/crypto.c
@@ -1492,6 +1492,8 @@ int tipc_crypto_start(struct tipc_crypto **crypto, struct net *net,
        /* Allocate statistic structure */
        c->stats = alloc_percpu_gfp(struct tipc_crypto_stats, GFP_ATOMIC);
        if (!c->stats) {
+               if (c->wq)
+                       destroy_workqueue(c->wq);
                kfree_sensitive(c);
                return -ENOMEM;
        }