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path: root/drivers/net/wireless/ath/ath9k/common-spectral.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/common-spectral.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/common-spectral.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/common-spectral.c b/drivers/net/wireless/ath/ath9k/common-spectral.c
index a5349c72c332..ca01a07f6630 100644
--- a/drivers/net/wireless/ath/ath9k/common-spectral.c
+++ b/drivers/net/wireless/ath/ath9k/common-spectral.c
@@ -14,6 +14,7 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#include <linux/export.h>
#include <linux/relay.h>
#include <linux/random.h>
#include "ath9k.h"
@@ -471,7 +472,7 @@ int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv, struct ieee80211_h
u8 sample_buf[SPECTRAL_SAMPLE_MAX_LEN] = {0};
struct ath_hw *ah = spec_priv->ah;
struct ath_common *common = ath9k_hw_common(spec_priv->ah);
- struct ath_softc *sc = (struct ath_softc *)common->priv;
+ struct ath_softc *sc = common->priv;
u8 num_bins, *vdata = (u8 *)hdr;
struct ath_radar_info *radar_info;
int len = rs->rs_datalen;
@@ -628,12 +629,12 @@ int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv, struct ieee80211_h
else
RX_STAT_INC(sc, rx_spectral_sample_err);
- memset(sample_buf, 0, SPECTRAL_SAMPLE_MAX_LEN);
-
/* Mix the received bins to the /dev/random
* pool
*/
add_device_randomness(sample_buf, num_bins);
+
+ memset(sample_buf, 0, SPECTRAL_SAMPLE_MAX_LEN);
}
/* Process a normal frame */
@@ -734,7 +735,7 @@ void ath9k_cmn_spectral_scan_trigger(struct ath_common *common,
ATH9K_RX_FILTER_PHYRADAR |
ATH9K_RX_FILTER_PHYERR);
- /* TODO: usually this should not be neccesary, but for some reason
+ /* TODO: usually this should not be necessary, but for some reason
* (or in some mode?) the trigger must be called after the
* configuration, otherwise the register will have its values reset
* (on my ar9220 to value 0x01002310)