diff options
Diffstat (limited to 'package/kernel/mac80211/patches/ath11k/0061-wifi-ath11k-fix-undefined-behavior-with-__fls-in-dp.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/ath11k/0061-wifi-ath11k-fix-undefined-behavior-with-__fls-in-dp.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/ath11k/0061-wifi-ath11k-fix-undefined-behavior-with-__fls-in-dp.patch b/package/kernel/mac80211/patches/ath11k/0061-wifi-ath11k-fix-undefined-behavior-with-__fls-in-dp.patch new file mode 100644 index 0000000000..d68c19f160 --- /dev/null +++ b/package/kernel/mac80211/patches/ath11k/0061-wifi-ath11k-fix-undefined-behavior-with-__fls-in-dp.patch @@ -0,0 +1,29 @@ +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); |