* drivers/net/wireless/ath/wcn36xx/main.c:772:58: sparse: sparse: incorrect type in assignment (different base types)
@ 2021-12-01 1:14 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-12-01 1:14 UTC (permalink / raw)
To: Bryan O'Donoghue; +Cc: kbuild-all, linux-kernel, Kalle Valo
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 58e1100fdc5990b0cc0d4beaf2562a92e621ac7d
commit: 87d3f1f34157a22be9c9c621bcad9e8a00ec4b3c wcn36xx: Add VHT rates to wcn36xx_update_allowed_rates()
date: 1 year, 2 months ago
config: riscv-randconfig-s031-20211201 (https://download.01.org/0day-ci/archive/20211201/202112010950.acD0hjla-lkp@intel.com/config)
compiler: riscv32-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=87d3f1f34157a22be9c9c621bcad9e8a00ec4b3c
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 87d3f1f34157a22be9c9c621bcad9e8a00ec4b3c
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash drivers/net/wireless/ath/wcn36xx/ drivers/tty/serial/8250/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/net/wireless/ath/wcn36xx/main.c:772:58: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] vht_rx_mcs_map @@ got restricted __le16 [usertype] rx_mcs_map @@
drivers/net/wireless/ath/wcn36xx/main.c:772:58: sparse: expected unsigned short [usertype] vht_rx_mcs_map
drivers/net/wireless/ath/wcn36xx/main.c:772:58: sparse: got restricted __le16 [usertype] rx_mcs_map
>> drivers/net/wireless/ath/wcn36xx/main.c:774:58: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] vht_tx_mcs_map @@ got restricted __le16 [usertype] tx_mcs_map @@
drivers/net/wireless/ath/wcn36xx/main.c:774:58: sparse: expected unsigned short [usertype] vht_tx_mcs_map
drivers/net/wireless/ath/wcn36xx/main.c:774:58: sparse: got restricted __le16 [usertype] tx_mcs_map
vim +772 drivers/net/wireless/ath/wcn36xx/main.c
729
730 static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta,
731 enum nl80211_band band)
732 {
733 int i, size;
734 u16 *rates_table;
735 struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
736 u32 rates = sta->supp_rates[band];
737
738 memset(&sta_priv->supported_rates, 0,
739 sizeof(sta_priv->supported_rates));
740 sta_priv->supported_rates.op_rate_mode = STA_11n;
741
742 size = ARRAY_SIZE(sta_priv->supported_rates.dsss_rates);
743 rates_table = sta_priv->supported_rates.dsss_rates;
744 if (band == NL80211_BAND_2GHZ) {
745 for (i = 0; i < size; i++) {
746 if (rates & 0x01) {
747 rates_table[i] = wcn_2ghz_rates[i].hw_value;
748 rates = rates >> 1;
749 }
750 }
751 }
752
753 size = ARRAY_SIZE(sta_priv->supported_rates.ofdm_rates);
754 rates_table = sta_priv->supported_rates.ofdm_rates;
755 for (i = 0; i < size; i++) {
756 if (rates & 0x01) {
757 rates_table[i] = wcn_5ghz_rates[i].hw_value;
758 rates = rates >> 1;
759 }
760 }
761
762 if (sta->ht_cap.ht_supported) {
763 BUILD_BUG_ON(sizeof(sta->ht_cap.mcs.rx_mask) >
764 sizeof(sta_priv->supported_rates.supported_mcs_set));
765 memcpy(sta_priv->supported_rates.supported_mcs_set,
766 sta->ht_cap.mcs.rx_mask,
767 sizeof(sta->ht_cap.mcs.rx_mask));
768 }
769
770 if (sta->vht_cap.vht_supported) {
771 sta_priv->supported_rates.op_rate_mode = STA_11ac;
> 772 sta_priv->supported_rates.vht_rx_mcs_map =
773 sta->vht_cap.vht_mcs.rx_mcs_map;
> 774 sta_priv->supported_rates.vht_tx_mcs_map =
775 sta->vht_cap.vht_mcs.tx_mcs_map;
776 }
777 }
778 void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates)
779 {
780 u16 ofdm_rates[WCN36XX_HAL_NUM_OFDM_RATES] = {
781 HW_RATE_INDEX_6MBPS,
782 HW_RATE_INDEX_9MBPS,
783 HW_RATE_INDEX_12MBPS,
784 HW_RATE_INDEX_18MBPS,
785 HW_RATE_INDEX_24MBPS,
786 HW_RATE_INDEX_36MBPS,
787 HW_RATE_INDEX_48MBPS,
788 HW_RATE_INDEX_54MBPS
789 };
790 u16 dsss_rates[WCN36XX_HAL_NUM_DSSS_RATES] = {
791 HW_RATE_INDEX_1MBPS,
792 HW_RATE_INDEX_2MBPS,
793 HW_RATE_INDEX_5_5MBPS,
794 HW_RATE_INDEX_11MBPS
795 };
796
797 rates->op_rate_mode = STA_11n;
798 memcpy(rates->dsss_rates, dsss_rates,
799 sizeof(*dsss_rates) * WCN36XX_HAL_NUM_DSSS_RATES);
800 memcpy(rates->ofdm_rates, ofdm_rates,
801 sizeof(*ofdm_rates) * WCN36XX_HAL_NUM_OFDM_RATES);
802 rates->supported_mcs_set[0] = 0xFF;
803 }
804
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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