diff options
| author | phil.turnbull@oracle.com <phil.turnbull@oracle.com> | 2016-09-15 12:41:44 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-10 10:25:58 +0200 |
| commit | 7f04269dbdbb046acea06423747b321cdc3ebf0d (patch) | |
| tree | dc1d63f9d1888d2b5f840c3a4f668ffe2a8da83c | |
| parent | 0140d7ebea98ab6c166b13e38357b78026ec4dce (diff) | |
irda: Free skb on irda_accept error path.
commit 8ab86c00e349cef9fb14719093a7f198bcc72629 upstream.
skb is not freed if newsk is NULL. Rework the error path so free_skb is
unconditionally called on function exit.
Fixes: c3ea9fa27413 ("[IrDA] af_irda: IRDA_ASSERT cleanups")
Signed-off-by: Phil Turnbull <phil.turnbull@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | net/irda/af_irda.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 7cc9db38e1b6..0e8f8a3f7b23 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -839,7 +839,7 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags) struct sock *sk = sock->sk; struct irda_sock *new, *self = irda_sk(sk); struct sock *newsk; - struct sk_buff *skb; + struct sk_buff *skb = NULL; int err; err = irda_create(sock_net(sk), newsock, sk->sk_protocol, 0); @@ -907,7 +907,6 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags) err = -EPERM; /* value does not seem to make sense. -arnd */ if (!new->tsap) { pr_debug("%s(), dup failed!\n", __func__); - kfree_skb(skb); goto out; } @@ -926,7 +925,6 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags) /* Clean up the original one to keep it in listen state */ irttp_listen(self->tsap); - kfree_skb(skb); sk->sk_ack_backlog--; newsock->state = SS_CONNECTED; @@ -934,6 +932,7 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags) irda_connect_response(new); err = 0; out: + kfree_skb(skb); release_sock(sk); return err; } |