openwrt/package/kernel/mac80211/patches/ath11k/0061-wifi-ath11k-fix-undefined-behavior-with-__fls-in-dp.patch
Robert Marko 15abf8d18b
mac80211: ath11k: sync with ath-next
Synchronize the ath11k backports with the current ath-next tree.

This replaces the 160MHz with the upstreamed one, fixes 6GHz only WIPHY
registration, allows SAR usage on WCN6750 and plenty of REO fixes.

Signed-off-by: Robert Marko <robimarko@gmail.com>
2023-05-06 07:15:57 +02:00

30 lines
1.1 KiB
Diff

From 41e02bf4ae32cf2ac47b08b4caaa9c1a032e4ce7 Mon Sep 17 00:00:00 2001
From: Harshitha Prem <quic_hprem@quicinc.com>
Date: Tue, 4 Apr 2023 00:11:55 +0530
Subject: [PATCH] wifi: ath11k: fix undefined behavior with __fls in dp
"__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
---
drivers/net/wireless/ath/ath11k/dp_rx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -3598,7 +3598,7 @@ static int ath11k_dp_rx_frag_h_mpdu(stru
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);