diff options
Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx')
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/txrx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/txrx.c b/drivers/net/wireless/ath/wcn36xx/txrx.c index 8da3955995b6..0802ed728824 100644 --- a/drivers/net/wireless/ath/wcn36xx/txrx.c +++ b/drivers/net/wireless/ath/wcn36xx/txrx.c @@ -16,6 +16,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/random.h> #include "txrx.h" static inline int get_rssi0(struct wcn36xx_rx_bd *bd) @@ -278,6 +279,7 @@ static void wcn36xx_update_survey(struct wcn36xx *wcn, int rssi, int snr, struct ieee80211_supported_band *sband; int idx; int i; + u8 snr_sample = snr & 0xff; idx = 0; if (band == NL80211_BAND_5GHZ) @@ -297,6 +299,8 @@ static void wcn36xx_update_survey(struct wcn36xx *wcn, int rssi, int snr, wcn->chan_survey[idx].rssi = rssi; wcn->chan_survey[idx].snr = snr; spin_unlock(&wcn->survey_lock); + + add_device_randomness(&snr_sample, sizeof(snr_sample)); } int wcn36xx_rx_skb(struct wcn36xx *wcn, struct sk_buff *skb) |