[PATCH] ath10k: fix rssi reporting.

[greearb@candelatech.com]

From: Ben Greear <greearb@candelatech.com>

When the driver cannot provide proper rssi, mark
status with RX_FLAG_NO_SIGNAL_VAL so that stack
properly ignores it.

Signed-off-by: Ben Greear <greearb@candelatech.com>
---

Patch is against my tree, hopefully will apply OK against upstream
but have not tested that yet.

 drivers/net/wireless/ath/ath10k/htt_rx.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 0c83ffb..d8ec8dd 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -1216,11 +1216,12 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
 	mpdu_ranges = htt_rx_ind_get_mpdu_ranges(rx);
 
 	/* Fill this once, while this is per-ppdu */
-	if (rx->ppdu.info0 & HTT_RX_INDICATION_INFO0_START_VALID) {
-		memset(rx_status, 0, sizeof(*rx_status));
+	memset(rx_status, 0, sizeof(*rx_status));
+	if (rx->ppdu.info0 & HTT_RX_INDICATION_INFO0_START_VALID)
 		rx_status->signal  = ATH10K_DEFAULT_NOISE_FLOOR +
 				     rx->ppdu.combined_rssi;
-	}
+	else
+		rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
 
 	if (rx->ppdu.info0 & HTT_RX_INDICATION_INFO0_END_VALID) {
 		/* TSF available only in 32-bit */
-- 
1.7.11.7