summaryrefslogtreecommitdiffstats
path: root/drivers/net/ieee802154
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:17:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:17:45 +0000
commit41fb2ba1cd2e84f28cd9f5b91d670fef7d982409 (patch)
tree3518db389445fe1c1e74d64e3598ed34c6e2c59a /drivers/net/ieee802154
parentReleasing progress-linux version 4.19.282-1progress5u1. (diff)
downloadlinux-41fb2ba1cd2e84f28cd9f5b91d670fef7d982409.tar.xz
linux-41fb2ba1cd2e84f28cd9f5b91d670fef7d982409.zip
Merging upstream version 4.19.289.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ieee802154')
-rw-r--r--drivers/net/ieee802154/mac802154_hwsim.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c
index d07e5571e..1ac600d18 100644
--- a/drivers/net/ieee802154/mac802154_hwsim.c
+++ b/drivers/net/ieee802154/mac802154_hwsim.c
@@ -540,7 +540,7 @@ static int hwsim_del_edge_nl(struct sk_buff *msg, struct genl_info *info)
static int hwsim_set_edge_lqi(struct sk_buff *msg, struct genl_info *info)
{
struct nlattr *edge_attrs[MAC802154_HWSIM_EDGE_ATTR_MAX + 1];
- struct hwsim_edge_info *einfo;
+ struct hwsim_edge_info *einfo, *einfo_old;
struct hwsim_phy *phy_v0;
struct hwsim_edge *e;
u32 v0, v1;
@@ -580,8 +580,10 @@ static int hwsim_set_edge_lqi(struct sk_buff *msg, struct genl_info *info)
list_for_each_entry_rcu(e, &phy_v0->edges, list) {
if (e->endpoint->idx == v1) {
einfo->lqi = lqi;
- rcu_assign_pointer(e->info, einfo);
+ einfo_old = rcu_replace_pointer(e->info, einfo,
+ lockdep_is_held(&hwsim_phys_lock));
rcu_read_unlock();
+ kfree_rcu(einfo_old, rcu);
mutex_unlock(&hwsim_phys_lock);
return 0;
}