ath9k: Fix sparse __CHECK_ENDIAN__ for spectral code

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 0fb7932c93dc..2d0fd17a1917 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -1038,6 +1038,7 @@ static int ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr,
         struct ath_ht20_mag_info *mag_info;
         int len = rs->rs_datalen;
         int dc_pos;
+        u16 length, max_magnitude;
 
         /* AR9280 and before report via ATH9K_PHYERR_RADAR, AR93xx and newer
          * via ATH9K_PHYERR_SPECTRAL. Haven't seen ATH9K_PHYERR_FALSE_RADAR_EXT
@@ -1065,8 +1066,8 @@ static int ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr,
                 return 1;
 
         fft_sample.tlv.type = ATH_FFT_SAMPLE_HT20;
-        fft_sample.tlv.length = sizeof(fft_sample) - sizeof(fft_sample.tlv);
-        fft_sample.tlv.length = __cpu_to_be16(fft_sample.tlv.length);
+        length = sizeof(fft_sample) - sizeof(fft_sample.tlv);
+        fft_sample.tlv.length = __cpu_to_be16(length);
 
         fft_sample.freq = __cpu_to_be16(ah->curchan->chan->center_freq);
         fft_sample.rssi = fix_rssi_inv_only(rs->rs_rssi_ctl0);
@@ -1112,8 +1113,8 @@ static int ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr,
         memcpy(fft_sample.data, bins, SPECTRAL_HT20_NUM_BINS);
         fft_sample.max_exp = mag_info->max_exp & 0xf;
 
-        fft_sample.max_magnitude = spectral_max_magnitude(mag_info->all_bins);
-        fft_sample.max_magnitude = __cpu_to_be16(fft_sample.max_magnitude);
+        max_magnitude = spectral_max_magnitude(mag_info->all_bins);
+        fft_sample.max_magnitude = __cpu_to_be16(max_magnitude);
         fft_sample.max_index = spectral_max_index(mag_info->all_bins);
         fft_sample.bitmap_weight = spectral_bitmap_weight(mag_info->all_bins);
         fft_sample.tsf = __cpu_to_be64(tsf);