diff options
| -rw-r--r-- | drivers/firmware/arm_scmi/driver.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index f607557c04ad..a2871dca24dc 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -33,6 +33,7 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/processor.h> +#include <linux/rcupdate.h> #include <linux/refcount.h> #include <linux/slab.h> #include <linux/xarray.h> @@ -2958,7 +2959,9 @@ static int scmi_device_request_notifier(struct notifier_block *nb, struct scmi_device_id *id_table = data; struct scmi_info *info = req_nb_to_scmi_info(nb); + rcu_read_lock(); np = idr_find(&info->active_protocols, id_table->protocol_id); + rcu_read_unlock(); if (!np) return NOTIFY_DONE; |