brcmfmac: initialize the requested dwell time

Commit 4905432b28b7 ("brcmfmac: Fix P2P Group Formation failure via Go-neg
method") did not initialize requested_dwell properly, resulting in an
always-false dwell time overflow check. Fix it by setting the correct
requested_dwell value.

Fixes: 4905432b28b7 ("brcmfmac: Fix P2P Group Formation failure via Go-neg method")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Joseph Chuang <joseph.chuang@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200610152106.175257-7-chi-hsien.lin@cypress.com

drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c

@@ -5129,7 +5129,7 @@ brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 					      &freq);
 		chan_nr = ieee80211_frequency_to_channel(freq);
 		af_params->channel = cpu_to_le32(chan_nr);
-
+		af_params->dwell_time = cpu_to_le32(params->wait);
 		memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
 		       le16_to_cpu(action_frame->len));
 

drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c

@@ -1700,7 +1700,7 @@ static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg,
 	return err;
 }
 
-static bool brcmf_p2p_check_dwell_overflow(s32 requested_dwell,
+static bool brcmf_p2p_check_dwell_overflow(u32 requested_dwell,
 					   unsigned long dwell_jiffies)
 {
 	if ((requested_dwell & CUSTOM_RETRY_MASK) &&
@@ -1738,8 +1738,7 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
 	unsigned long dwell_jiffies = 0;
 	bool dwell_overflow = false;
 
-	s32 requested_dwell = af_params->dwell_time;
-
+	u32 requested_dwell = le32_to_cpu(af_params->dwell_time);
 	action_frame = &af_params->action_frame;
 	action_frame_len = le16_to_cpu(action_frame->len);