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path: root/drivers/net/netdevsim
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Diffstat (limited to 'drivers/net/netdevsim')
-rw-r--r--drivers/net/netdevsim/bpf.c6
-rw-r--r--drivers/net/netdevsim/dev.c2
-rw-r--r--drivers/net/netdevsim/netdevsim.h1
3 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/bpf.c b/drivers/net/netdevsim/bpf.c
index 49537d3c4120..5f17f68f3c08 100644
--- a/drivers/net/netdevsim/bpf.c
+++ b/drivers/net/netdevsim/bpf.c
@@ -244,7 +244,9 @@ static int nsim_bpf_create_prog(struct nsim_dev *nsim_dev,
&state->state, &nsim_bpf_string_fops);
debugfs_create_bool("loaded", 0400, state->ddir, &state->is_loaded);
+ mutex_lock(&nsim_dev->progs_list_lock);
list_add_tail(&state->l, &nsim_dev->bpf_bound_progs);
+ mutex_unlock(&nsim_dev->progs_list_lock);
prog->aux->offload->dev_priv = state;
@@ -273,12 +275,16 @@ static int nsim_bpf_translate(struct bpf_prog *prog)
static void nsim_bpf_destroy_prog(struct bpf_prog *prog)
{
struct nsim_bpf_bound_prog *state;
+ struct nsim_dev *nsim_dev;
state = prog->aux->offload->dev_priv;
+ nsim_dev = state->nsim_dev;
WARN(state->is_loaded,
"offload state destroyed while program still bound");
debugfs_remove_recursive(state->ddir);
+ mutex_lock(&nsim_dev->progs_list_lock);
list_del(&state->l);
+ mutex_unlock(&nsim_dev->progs_list_lock);
kfree(state);
}
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index 2683a989873e..dfd571b22107 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -1647,6 +1647,7 @@ int nsim_drv_probe(struct nsim_bus_dev *nsim_bus_dev)
nsim_dev->test1 = NSIM_DEV_TEST1_DEFAULT;
nsim_dev->test2 = NSIM_DEV_TEST2_DEFAULT;
spin_lock_init(&nsim_dev->fa_cookie_lock);
+ mutex_init(&nsim_dev->progs_list_lock);
dev_set_drvdata(&nsim_bus_dev->dev, nsim_dev);
@@ -1785,6 +1786,7 @@ void nsim_drv_remove(struct nsim_bus_dev *nsim_bus_dev)
devl_unregister(devlink);
kfree(nsim_dev->vfconfigs);
kfree(nsim_dev->fa_cookie);
+ mutex_destroy(&nsim_dev->progs_list_lock);
devl_unlock(devlink);
devlink_free(devlink);
dev_set_drvdata(&nsim_bus_dev->dev, NULL);
diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h
index d1a941e2b18f..46c67983c517 100644
--- a/drivers/net/netdevsim/netdevsim.h
+++ b/drivers/net/netdevsim/netdevsim.h
@@ -324,6 +324,7 @@ struct nsim_dev {
u32 prog_id_gen;
struct list_head bpf_bound_progs;
struct list_head bpf_bound_maps;
+ struct mutex progs_list_lock;
struct netdev_phys_item_id switch_id;
struct list_head port_list;
bool fw_update_status;