| Message ID | 20240611031017.297927-3-quic_aarasahu@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | wifi: ath12k: Fix the smatch error | expand |
On 6/10/2024 8:10 PM, Aaradhana Sahu wrote: > Smatch throws following errors > > drivers/net/wireless/ath/ath12k/mac.c:1922 ath12k_peer_assoc_h_he() error: uninitialized symbol 'rx_mcs_80'. > drivers/net/wireless/ath/ath12k/mac.c:1922 ath12k_peer_assoc_h_he() error: uninitialized symbol 'rx_mcs_160'. > drivers/net/wireless/ath/ath12k/mac.c:1924 ath12k_peer_assoc_h_he() error: uninitialized symbol 'rx_mcs_80'. > > In ath12k_peer_assoc_h_he() rx_mcs_80 and rx_mcs_160 variables > remain uninitialized in the following conditions: > 1. Whenever the value of mcs_80 become equal to > IEEE80211_HE_MCS_NOT_SUPPORTED then rx_mcs_80 remains uninitialized. > 2. Whenever phy capability is not supported 160 channel width and > value of mcs_160 become equal to IEEE80211_HE_MCS_NOT_SUPPORTED > then rx_mcs_160 remains uninitialized. > > Initialize these variables during declaration. > > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00188-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Aaradhana Sahu <quic_aarasahu@quicinc.com> Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 4fea411545bc..3f2fd32d2ed8 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -2050,7 +2050,9 @@ static void ath12k_peer_assoc_h_he(struct ath12k *ar, { const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap; int i; - u8 ampdu_factor, rx_mcs_80, rx_mcs_160, max_nss; + u8 ampdu_factor, max_nss; + u8 rx_mcs_80 = IEEE80211_HE_MCS_NOT_SUPPORTED; + u8 rx_mcs_160 = IEEE80211_HE_MCS_NOT_SUPPORTED; u16 mcs_160_map, mcs_80_map; bool support_160; u16 v;
Smatch throws following errors drivers/net/wireless/ath/ath12k/mac.c:1922 ath12k_peer_assoc_h_he() error: uninitialized symbol 'rx_mcs_80'. drivers/net/wireless/ath/ath12k/mac.c:1922 ath12k_peer_assoc_h_he() error: uninitialized symbol 'rx_mcs_160'. drivers/net/wireless/ath/ath12k/mac.c:1924 ath12k_peer_assoc_h_he() error: uninitialized symbol 'rx_mcs_80'. In ath12k_peer_assoc_h_he() rx_mcs_80 and rx_mcs_160 variables remain uninitialized in the following conditions: 1. Whenever the value of mcs_80 become equal to IEEE80211_HE_MCS_NOT_SUPPORTED then rx_mcs_80 remains uninitialized. 2. Whenever phy capability is not supported 160 channel width and value of mcs_160 become equal to IEEE80211_HE_MCS_NOT_SUPPORTED then rx_mcs_160 remains uninitialized. Initialize these variables during declaration. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00188-QCAHKSWPL_SILICONZ-1 Signed-off-by: Aaradhana Sahu <quic_aarasahu@quicinc.com> --- drivers/net/wireless/ath/ath12k/mac.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)