diff options
| author | Carl Huang <cjhuang@codeaurora.org> | 2020-12-11 00:56:13 -0500 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-12-17 08:46:05 +0200 |
| commit | 3597010630d0aa96f5778901e691c6068bb86318 (patch) | |
| tree | a45649175b7cea0a2d1c00c9392657defaf68a5d /drivers/net/wireless/ath/ath11k/peer.c | |
| parent | 292bff9480c8d52fc58028979c4162abd83f1aec (diff) | |
ath11k: fix crash caused by NULL rx_channel
During connect and disconnect stress test, crashed happened
because ar->rx_channel is NULL. Fix it by checking whether
ar->rx_channel is NULL.
Crash stack is as below:
RIP: 0010:ath11k_dp_rx_h_ppdu+0x110/0x230 [ath11k]
[ 5028.808963] ath11k_dp_rx_wbm_err+0x14a/0x360 [ath11k]
[ 5028.808970] ath11k_dp_rx_process_wbm_err+0x41c/0x520 [ath11k]
[ 5028.808978] ath11k_dp_service_srng+0x25e/0x2d0 [ath11k]
[ 5028.808982] ath11k_pci_ext_grp_napi_poll+0x23/0x80 [ath11k_pci]
[ 5028.808986] net_rx_action+0x27e/0x400
[ 5028.808990] __do_softirq+0xfd/0x2bb
[ 5028.808993] irq_exit+0xa6/0xb0
[ 5028.808995] do_IRQ+0x56/0xe0
[ 5028.808997] common_interrupt+0xf/0xf
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201211055613.9310-1-cjhuang@codeaurora.org
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/peer.c')
0 files changed, 0 insertions, 0 deletions