Merge 6.19-rc7 into char-misc-next

We need the char/misc/iio fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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;