stm class: Fix link list locking

[firefly-linux-kernel-4.4.55.git] / drivers / hwtracing / stm / stm.h

diff --git a/drivers/hwtracing/stm/stm.h b/drivers/hwtracing/stm/stm.h
index 95ece0292c991c8ad60f81c4a15fe4f3687d4504..97ee0224144067e3d6fe0a32e6a9466aad04268c 100644 (file)
--- a/drivers/hwtracing/stm/stm.h
+++ b/drivers/hwtracing/stm/stm.h
@@ -45,6 +45,7 @@ struct stm_device {
        int                     major;
        unsigned int            sw_nmasters;
        struct stm_data         *data;
+       struct mutex            link_mutex;
        spinlock_t              link_lock;
        struct list_head        link_list;
        /* master allocation */