diff options
| author | Carl Huang <quic_cjhuang@quicinc.com> | 2022-02-14 19:53:16 +0200 |
|---|---|---|
| committer | Kalle Valo <quic_kvalo@quicinc.com> | 2022-02-21 12:05:20 +0200 |
| commit | e52b6a02bfc00d74cee385dea60f9894121c1f2d (patch) | |
| tree | aec276a8d95842b6e3885270d902c3c78deee435 /drivers | |
| parent | 5f71968e3c769b1d3c3cb0831ef870663b3c1f89 (diff) | |
ath11k: fix invalid m3 buffer address
This is to fix m3 buffer reuse issue as m3_mem->size isn't set to
ZERO in free function, which leads invalid m3 downloading to
firmware and firmware crashed.
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03003-QCAHSPSWPL_V1_V2_SILICONZ_LITE-2
Signed-off-by: Carl Huang <quic_cjhuang@quicinc.com>
Signed-off-by: Wen Gong <quic_wgong@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220209060012.32478-3-quic_wgong@quicinc.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/qmi.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c index 1144e828cf5c..d4d831566a89 100644 --- a/drivers/net/wireless/ath/ath11k/qmi.c +++ b/drivers/net/wireless/ath/ath11k/qmi.c @@ -2342,6 +2342,7 @@ static void ath11k_qmi_m3_free(struct ath11k_base *ab) dma_free_coherent(ab->dev, m3_mem->size, m3_mem->vaddr, m3_mem->paddr); m3_mem->vaddr = NULL; + m3_mem->size = 0; } static int ath11k_qmi_wlanfw_m3_info_send(struct ath11k_base *ab) |