diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/mac.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/mac.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index c32be587000db..4fdd56cd30a12 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -9112,6 +9112,7 @@ static void ath11k_mac_op_ipv6_changed(struct ieee80211_hw *hw, offload = &arvif->arp_ns_offload; count = 0; + /* Note: read_lock_bh() calls rcu_read_lock() */ read_lock_bh(&idev->lock); memset(offload->ipv6_addr, 0, sizeof(offload->ipv6_addr)); @@ -9142,7 +9143,8 @@ static void ath11k_mac_op_ipv6_changed(struct ieee80211_hw *hw, } /* get anycast address */ - for (ifaca6 = idev->ac_list; ifaca6; ifaca6 = ifaca6->aca_next) { + for (ifaca6 = rcu_dereference(idev->ac_list); ifaca6; + ifaca6 = rcu_dereference(ifaca6->aca_next)) { if (count >= ATH11K_IPV6_MAX_COUNT) goto generate; |