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ath10k: add sanity checks for monitor management 

Add a few checks and warnings to make it easier to
track any kind of monitor vdev mismanagement.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2013-10-16 16:45:48 +03:00 committed by Kalle Valo
parent afd0922e74
commit 0ed00eea09
1 changed files with 15 additions and 0 deletions
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15
drivers/net/wireless/ath/ath10k/mac.c
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@ -516,6 +516,11 @@ static int ath10k_monitor_start(struct ath10k *ar, int vdev_id)
lockdep_assert_held(&ar->conf_mutex);
if (!ar->monitor_present) {
ath10k_warn("mac montor stop -- monitor is not present\n");
return -EINVAL;
}
arg.vdev_id = vdev_id;
arg.channel.freq = channel->center_freq;
arg.channel.band_center_freq1 = ar->hw->conf.chandef.center_freq1;
@ -566,6 +571,16 @@ static int ath10k_monitor_stop(struct ath10k *ar)
lockdep_assert_held(&ar->conf_mutex);
if (!ar->monitor_present) {
ath10k_warn("mac montor stop -- monitor is not present\n");
return -EINVAL;
}
if (!ar->monitor_enabled) {
ath10k_warn("mac montor stop -- monitor is not enabled\n");
return -EINVAL;
}
ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id);
if (ret)
ath10k_warn("Monitor vdev down failed: %d\n", ret);