diff options
| author | phil.turnbull@oracle.com <phil.turnbull@oracle.com> | 2016-09-15 18:41:44 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-09-17 15:59:31 +0200 |
| commit | 8ab86c00e349cef9fb14719093a7f198bcc72629 (patch) | |
| tree | bf17b411a164736fca71a74b42b7067b25709bce /net | |
| parent | net: avoid sk_forward_alloc overflows (diff) | |
| download | linux-8ab86c00e349cef9fb14719093a7f198bcc72629.tar.xz linux-8ab86c00e349cef9fb14719093a7f198bcc72629.zip | |
irda: Free skb on irda_accept error path.
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>
Diffstat (limited to 'net')
| -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 8d2f7c9b491d..ccc244406fb9 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -832,7 +832,7 @@ 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); @@ -900,7 +900,6 @@ 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; } @@ -919,7 +918,6 @@ 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; @@ -927,6 +925,7 @@ 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; } |