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qcacmn: Lock Spectral detector list and session info structs

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Add locks for detector list, per-session report info
and per-session detector map, to avoid inconsistent
concurrent accesses.
Using spin_lock_bh for locking between Process and
Tasklet context.

CRs-Fixed: 2983801
Change-Id: If709fd91f193072f07b9dae19bf48e6da2d369d3
This commit is contained in:
Jhalak Naik
2021-07-22 21:55:32 +05:30
committed by Madan Koyyalamudi
parent cea74e2c92
commit 0405359a6c
4 changed files with 103 additions and 4 deletions
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10
target_if/spectral/target_if_spectral_netlink.c
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@@ -71,7 +71,10 @@ target_if_spectral_fill_samp_msg(struct target_if_spectral *spectral,
return QDF_STATUS_E_FAILURE;
}
qdf_spin_lock_bh(&spectral->session_det_map_lock);
if (!spectral->det_map[params->hw_detector_id].det_map_valid) {
qdf_spin_unlock_bh(&spectral->session_det_map_lock);
spectral_info("Detector Map not valid for det id = %d",
params->hw_detector_id);
return QDF_STATUS_E_FAILURE;
@@ -83,6 +86,7 @@ target_if_spectral_fill_samp_msg(struct target_if_spectral *spectral,
msg_type,
det_map->buf_type);
if (!spec_samp_msg) {
qdf_spin_unlock_bh(&spectral->session_det_map_lock);
spectral_err_rl("Spectral SAMP message is NULL");
return QDF_STATUS_E_FAILURE;
}
@@ -262,6 +266,8 @@ target_if_spectral_fill_samp_msg(struct target_if_spectral *spectral,
p_sops = GET_TARGET_IF_SPECTRAL_OPS(spectral);
qdf_spin_lock_bh(&spectral->session_report_info_lock);
rpt_info = &spectral->report_info[spectral_mode];
spec_samp_msg->signature = SPECTRAL_SIGNATURE;
p_sops->get_mac_address(spectral, spec_samp_msg->macaddr);
@@ -277,6 +283,9 @@ target_if_spectral_fill_samp_msg(struct target_if_spectral *spectral,
spec_samp_msg->sscan_bw = rpt_info->sscan_bw;
spec_samp_msg->fft_width = FFT_BIN_SIZE_1BYTE;
spec_samp_msg->num_freq_spans = rpt_info->num_spans;
qdf_spin_unlock_bh(&spectral->session_report_info_lock);
spec_samp_msg->spectral_upper_rssi = params->upper_rssi;
spec_samp_msg->spectral_lower_rssi = params->lower_rssi;
qdf_mem_copy(spec_samp_msg->spectral_chain_ctl_rssi,
@@ -296,6 +305,7 @@ target_if_spectral_fill_samp_msg(struct target_if_spectral *spectral,
reset_160mhz_delivery_state_machine(spectral,
spectral_mode);
}
qdf_spin_unlock_bh(&spectral->session_det_map_lock);
return QDF_STATUS_SUCCESS;
}