From: Ilan Peer ilan.peer@intel.com
[ Upstream commit 0cc80943ef518a1c51a1111e9346d1daf11dd545 ]
In a call to mac80211_hwsim_select_tx_link() the sta pointer might be NULL, thus need to check that it is not NULL before accessing it.
Signed-off-by: Ilan Peer ilan.peer@intel.com Signed-off-by: Gregory Greenman gregory.greenman@intel.com Link: https://lore.kernel.org/r/20230604120651.f4d889fc98c4.Iae85f527ed245a37637a8... Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mac80211_hwsim.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 4cc4eaf80b146..e61f99f56f4e0 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -4,7 +4,7 @@ * Copyright (c) 2008, Jouni Malinen j@w1.fi * Copyright (c) 2011, Javier Lopez jlopex@gmail.com * Copyright (c) 2016 - 2017 Intel Deutschland GmbH - * Copyright (C) 2018 - 2022 Intel Corporation + * Copyright (C) 2018 - 2023 Intel Corporation */
/* @@ -1753,7 +1753,7 @@ mac80211_hwsim_select_tx_link(struct mac80211_hwsim_data *data,
WARN_ON(is_multicast_ether_addr(hdr->addr1));
- if (WARN_ON_ONCE(!sta->valid_links)) + if (WARN_ON_ONCE(!sta || !sta->valid_links)) return &vif->bss_conf;
for (i = 0; i < ARRAY_SIZE(vif->link_conf); i++) {