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qcacmn: Fix for kernel panic in rx path

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Add Null check for peer before accessing the structure.

Change-Id: Ic1b6e0c3a7a9aeecbc9aa9cc4a118e27726d94f2
CRs-Fixed: 2010214
This commit is contained in:
Venkateswara Swamy Bandaru 2017-02-22 17:13:39 +05:30 • committed by qcabuildsw
commit 9fac863f73
1 changed files with 2 additions and 1 deletions
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3
dp/wifi3.0/dp_rx_err.c
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@ -326,6 +326,7 @@ dp_rx_null_q_desc_handle(struct dp_soc *soc, void *ring_desc,
peer_id = hal_rx_mpdu_start_sw_peer_id_get(
rx_desc->rx_buf_start);
peer = dp_peer_find_by_id(soc, peer_id);
if (peer &&
peer->rx_tid[tid].hw_qdesc_vaddr_unaligned == NULL) {
/* IEEE80211_SEQ_MAX indicates invalid start_seq */
@ -343,7 +344,7 @@ dp_rx_null_q_desc_handle(struct dp_soc *soc, void *ring_desc,
qdf_nbuf_data(nbuf), 128, false);
#endif /* NAPIER_EMULATION */
if (qdf_unlikely(peer->bss_peer)) {
if (peer && qdf_unlikely(peer->bss_peer)) {
QDF_TRACE(QDF_MODULE_ID_DP,
QDF_TRACE_LEVEL_INFO,
FL("received pkt with same src MAC"));