[PATCH 1/2] wifi: ath12k: fix NULL pointer access in ath12k_mac_op_get_survey()

[Jeff Johnson]

On 6/10/2024 8:10 PM, Aaradhana Sahu wrote:
> Smatch throws below error
> 
> drivers/net/wireless/ath/ath12k/mac.c:8318 ath12k_mac_op_get_survey() error: we previously assumed 'sband' could be null
> 
> Currently, we access sband inside the null check of the sband
> in ath12k_mac_op_get_survey().
> 
> Fix this issue by removing the entire if block, because decrement
> idx is unnecessary since there are no more band to test.
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
> 
> Fixes: 70e3be54bbdd ("wifi: ath12k: fix survey dump collection in 6 GHz")
> Signed-off-by: Aaradhana Sahu <quic_aarasahu at quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson at quicinc.com>