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qcacmn: fix potential memory leak in dp_rx_process

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There is a chance of leak of RX buffers if peer disconnects
while we are in middle for processing the list of MSDUs in a
AMSDU

Change-Id: I0081ec96da95ea570903dbd5d91c866c8c141667
This commit is contained in:
Chaithanya Garrepalli
2020-01-07 17:28:49 +05:30
committed by nshrivas
parent 0778a3973d
commit 79b64ac4ba
1 changed files with 15 additions and 4 deletions
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19
dp/wifi3.0/dp_rx.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
* Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@@ -2237,9 +2237,20 @@ done:
dp_peer_unref_del_find_by_id(peer);
}
if (deliver_list_head && peer)
dp_rx_deliver_to_stack(vdev, peer, deliver_list_head,
deliver_list_tail);
if (qdf_likely(deliver_list_head)) {
if (qdf_likely(peer))
dp_rx_deliver_to_stack(vdev, peer, deliver_list_head,
deliver_list_tail);
else {
nbuf = deliver_list_head;
while (nbuf) {
next = nbuf->next;
nbuf->next = NULL;
dp_rx_deliver_to_stack_no_peer(soc, nbuf);
nbuf = next;
}
}
}
if (dp_rx_enable_eol_data_check(soc) && rx_bufs_used) {
if (quota) {