diff options
| -rw-r--r-- | drivers/base/power/main.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 9dd9859f97d2..77c7a99f0870 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -638,6 +638,13 @@ static int dpm_async_with_cleanup(struct device *dev, void *fn) static void dpm_async_resume_children(struct device *dev, async_func_t func) { /* + * Prevent racing with dpm_clear_async_state() during initial list + * walks in dpm_noirq_resume_devices(), dpm_resume_early(), and + * dpm_resume(). + */ + guard(mutex)(&dpm_list_mtx); + + /* * Start processing "async" children of the device unless it's been * started already for them. * |