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wifi: ath11k: fix undefined behavior with __fls in dp

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"__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@quicinc.com>
Signed-off-by: Nagarajan Maran <quic_nmaran@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230403184155.8670-3-quic_nmaran@quicinc.com
This commit is contained in:
Harshitha Prem 2023-04-04 00:11:55 +05:30 committed by Kalle Valo
parent a06bfb3c9f
commit 41e02bf4ae
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/ath/ath11k/dp_rx.c
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@ -3598,7 +3598,7 @@ 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);