llc: fix sk_buff leak in llc_sap_state_process()

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / net / llc / llc_s_ac.c

diff --git a/net/llc/llc_s_ac.c b/net/llc/llc_s_ac.c
index a94bd56..7ae4cc6 100644 (file)
--- a/net/llc/llc_s_ac.c
+++ b/net/llc/llc_s_ac.c
@@ -58,8 +58,10 @@ int llc_sap_action_send_ui(struct llc_sap *sap, struct sk_buff *skb)
                            ev->daddr.lsap, LLC_PDU_CMD);
        llc_pdu_init_as_ui_cmd(skb);
        rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
-       if (likely(!rc))
+       if (likely(!rc)) {
+               skb_get(skb);
                rc = dev_queue_xmit(skb);
+       }
        return rc;
 }
 
@@ -81,8 +83,10 @@ int llc_sap_action_send_xid_c(struct llc_sap *sap, struct sk_buff *skb)
                            ev->daddr.lsap, LLC_PDU_CMD);
        llc_pdu_init_as_xid_cmd(skb, LLC_XID_NULL_CLASS_2, 0);
        rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
-       if (likely(!rc))
+       if (likely(!rc)) {
+               skb_get(skb);
                rc = dev_queue_xmit(skb);
+       }
        return rc;
 }
 
@@ -135,8 +139,10 @@ int llc_sap_action_send_test_c(struct llc_sap *sap, struct sk_buff *skb)
                            ev->daddr.lsap, LLC_PDU_CMD);
        llc_pdu_init_as_test_cmd(skb);
        rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
-       if (likely(!rc))
+       if (likely(!rc)) {
+               skb_get(skb);
                rc = dev_queue_xmit(skb);
+       }
        return rc;
 }