From: Harshitha Prem <quic_hprem@xxxxxxxxxxx> "__fls" would have an undefined behavior if the argument is passed as "0". Hence, added changes to handle the same. Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1 Signed-off-by: Harshitha Prem <quic_hprem@xxxxxxxxxxx> Signed-off-by: Nagarajan Maran <quic_nmaran@xxxxxxxxxxx> --- drivers/net/wireless/ath/ath11k/dp_rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index 2893f6757e3e..384a774392e0 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -3595,7 +3595,7 @@ static int ath11k_dp_rx_frag_h_mpdu(struct ath11k *ar, goto out_unlock; } - if (frag_no > __fls(rx_tid->rx_frag_bitmap)) + if (!rx_tid->rx_frag_bitmap || (frag_no > __fls(rx_tid->rx_frag_bitmap))) __skb_queue_tail(&rx_tid->rx_frags, msdu); else ath11k_dp_rx_h_sort_frags(ar, &rx_tid->rx_frags, msdu); -- 2.17.1