NFC: rawsock: Fix a memory leak

In the rawsock data exchange callback, the sk_buff is not freed
on error.

Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c
index 313bf1bc848a..cd958b381f96 100644
--- a/net/nfc/rawsock.c
+++ b/net/nfc/rawsock.c
@@ -142,11 +142,11 @@ static void rawsock_data_exchange_complete(void *context, struct sk_buff *skb,
 
         err = rawsock_add_header(skb);
         if (err)
-                goto error;
+                goto error_skb;
 
         err = sock_queue_rcv_skb(sk, skb);
         if (err)
-                goto error;
+                goto error_skb;
 
         spin_lock_bh(&sk->sk_write_queue.lock);
         if (!skb_queue_empty(&sk->sk_write_queue))
@@ -158,6 +158,9 @@ static void rawsock_data_exchange_complete(void *context, struct sk_buff *skb,
         sock_put(sk);
         return;
 
+error_skb:
+        kfree_skb(skb);
+
 error:
         rawsock_report_error(sk, err);
         sock_put(sk);