tree: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next.git master
head: c331997b6c9ad7f4b8075e6e60d3caa6e36f5938
commit: 4ab0b0aa57a794ce299b0192e924379d7353beef [119/159] ath9k: Update spectral scan output data
sparse warnings: (new ones prefixed by >>)
>> drivers/net/wireless/ath/ath9k/recv.c:1067:31: sparse: incorrect type in assignment (different base types)
drivers/net/wireless/ath/ath9k/recv.c:1067:31: expected unsigned short [unsigned] [assigned] [usertype] length
drivers/net/wireless/ath/ath9k/recv.c:1067:31: got restricted __be16 [usertype] <noident>
>> drivers/net/wireless/ath/ath9k/recv.c:1069:25: sparse: incorrect type in assignment (different base types)
drivers/net/wireless/ath/ath9k/recv.c:1069:25: expected unsigned short [unsigned] [assigned] [usertype] freq
drivers/net/wireless/ath/ath9k/recv.c:1069:25: got restricted __be16 [usertype] <noident>
>> drivers/net/wireless/ath/ath9k/recv.c:1114:34: sparse: incorrect type in assignment (different base types)
drivers/net/wireless/ath/ath9k/recv.c:1114:34: expected unsigned short [unsigned] [assigned] [usertype] max_magnitude
drivers/net/wireless/ath/ath9k/recv.c:1114:34: got restricted __be16 [usertype] <noident>
>> drivers/net/wireless/ath/ath9k/recv.c:1117:24: sparse: incorrect type in assignment (different base types)
drivers/net/wireless/ath/ath9k/recv.c:1117:24: expected unsigned long long [unsigned] [assigned] [usertype] tsf
drivers/net/wireless/ath/ath9k/recv.c:1117:24: got restricted __be64 [usertype] <noident>
--
>> drivers/net/wireless/ath/ath9k/debug.c:1243:18: sparse: cast to restricted __be16
>> drivers/net/wireless/ath/ath9k/debug.c:1243:18: sparse: cast to restricted __be16
>> drivers/net/wireless/ath/ath9k/debug.c:1243:18: sparse: cast to restricted __be16
>> drivers/net/wireless/ath/ath9k/debug.c:1243:18: sparse: cast to restricted __be16
vim +1067 drivers/net/wireless/ath/ath9k/recv.c
1061 if ((len > SPECTRAL_HT20_TOTAL_DATA_LEN + 2) ||
1062 (len < SPECTRAL_HT20_TOTAL_DATA_LEN - 1))
1063 return 1;
1064
1065 fft_sample.tlv.type = ATH_FFT_SAMPLE_HT20;
1066 fft_sample.tlv.length = sizeof(fft_sample) - sizeof(fft_sample.tlv);
> 1067 fft_sample.tlv.length = __cpu_to_be16(fft_sample.tlv.length);
1068
1069 fft_sample.freq = __cpu_to_be16(ah->curchan->chan->center_freq);
1070 fft_sample.rssi = fix_rssi_inv_only(rs->rs_rssi_ctl0);
1071 fft_sample.noise = ah->noise;
1072
1073 switch (len - SPECTRAL_HT20_TOTAL_DATA_LEN) {
1074 case 0:
1075 /* length correct, nothing to do. */
1076 memcpy(bins, vdata, SPECTRAL_HT20_NUM_BINS);
1077 break;
1078 case -1:
1079 /* first byte missing, duplicate it. */
1080 memcpy(&bins[1], vdata, SPECTRAL_HT20_NUM_BINS - 1);
1081 bins[0] = vdata[0];
1082 break;
1083 case 2:
1084 /* MAC added 2 extra bytes at bin 30 and 32, remove them. */
1085 memcpy(bins, vdata, 30);
1086 bins[30] = vdata[31];
1087 memcpy(&bins[31], &vdata[33], SPECTRAL_HT20_NUM_BINS - 31);
1088 break;
1089 case 1:
1090 /* MAC added 2 extra bytes AND first byte is missing. */
1091 bins[0] = vdata[0];
1092 memcpy(&bins[0], vdata, 30);
1093 bins[31] = vdata[31];
1094 memcpy(&bins[32], &vdata[33], SPECTRAL_HT20_NUM_BINS - 32);
1095 break;
1096 default:
1097 return 1;
1098 }
1099
1100 /* DC value (value in the middle) is the blind spot of the spectral
1101 * sample and invalid, interpolate it.
1102 */
1103 dc_pos = SPECTRAL_HT20_NUM_BINS / 2;
1104 bins[dc_pos] = (bins[dc_pos + 1] + bins[dc_pos - 1]) / 2;
1105
1106 /* mag data is at the end of the frame, in front of radar_info */
1107 mag_info = ((struct ath_ht20_mag_info *)radar_info) - 1;
1108
1109 /* copy raw bins without scaling them */
1110 memcpy(fft_sample.data, bins, SPECTRAL_HT20_NUM_BINS);
1111 fft_sample.max_exp = mag_info->max_exp & 0xf;
1112
1113 fft_sample.max_magnitude = spectral_max_magnitude(mag_info->all_bins);
1114 fft_sample.max_magnitude = __cpu_to_be16(fft_sample.max_magnitude);
1115 fft_sample.max_index = spectral_max_index(mag_info->all_bins);
1116 fft_sample.bitmap_weight = spectral_bitmap_weight(mag_info->all_bins);
1117 fft_sample.tsf = __cpu_to_be64(tsf);
1118
1119 ath_debug_send_fft_sample(sc, &fft_sample.tlv);
1120 return 1;
---
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