From: Igor Mitsyanko <[email protected]> Parameters passed into .mgmt_tx callback may have a NULL channel in case userspace wants to send a frame on current channel. Make sure this case is handled, pass "freq==0" in case channel is not specififed to tell wlan device to use current channel.
Signed-off-by: Igor Mitsyanko <[email protected]> --- drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c index a11278de678d..f5eb2cdefae2 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c +++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c @@ -381,6 +381,7 @@ qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf; u32 short_cookie = prandom_u32(); u16 flags = 0; + u16 freq; *cookie = short_cookie; @@ -393,13 +394,21 @@ qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, if (params->dont_wait_for_ack) flags |= QLINK_MGMT_FRAME_TX_FLAG_ACK_NOWAIT; + /* If channel is not specified, pass "freq = 0" to tell device + * firmware to use current channel. + */ + if (params->chan) + freq = params->chan->center_freq; + else + freq = 0; + pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n", - wdev->netdev->name, params->chan->center_freq, + wdev->netdev->name, freq, le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da, params->len, short_cookie, flags); return qtnf_cmd_send_mgmt_frame(vif, short_cookie, flags, - params->chan->center_freq, + freq, params->buf, params->len); } -- 2.11.0
