From: Thierry Escande <thierry.escande@linux.intel.com>
Date: Wed, 5 Jun 2013 15:15:59 +0000 (+0200)
Subject: NFC: Fix a potential memory leak
X-Git-Tag: v4.13~9188^2~166^2^2~37^2~6
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=f1b79dc8915ebf176d6f1fcfc4fee001b6d5ca46;p=mirror_ubuntu-bionic-kernel.git

NFC: Fix a potential memory leak

In nfc_llcp_tx_work() the sk_buff is not freed when the llcp_sock
is null and the PDU is an I one.

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

diff --git a/net/nfc/llcp_core.c b/net/nfc/llcp_core.c
index 1c4c048e0a1b..44730f0edfd8 100644
--- a/net/nfc/llcp_core.c
+++ b/net/nfc/llcp_core.c
@@ -719,6 +719,7 @@ static void nfc_llcp_tx_work(struct work_struct *work)
 		llcp_sock = nfc_llcp_sock(sk);
 
 		if (llcp_sock == NULL && nfc_llcp_ptype(skb) == LLCP_PDU_I) {
+			kfree_skb(skb);
 			nfc_llcp_send_symm(local->dev);
 		} else {
 			struct sk_buff *copy_skb = NULL;