summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/base/power/trace.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/base/power/trace.c b/drivers/base/power/trace.c
index 0a1a2c4dbc6e..17e24e3f4422 100644
--- a/drivers/base/power/trace.c
+++ b/drivers/base/power/trace.c
@@ -188,8 +188,10 @@ static int show_file_hash(unsigned int value)
static int show_dev_hash(unsigned int value)
{
int match = 0;
- struct list_head *entry = dpm_list.prev;
+ struct list_head *entry;
+ device_pm_lock();
+ entry = dpm_list.prev;
while (entry != &dpm_list) {
struct device * dev = to_device(entry);
unsigned int hash = hash_string(DEVSEED, dev_name(dev), DEVHASH);
@@ -199,6 +201,7 @@ static int show_dev_hash(unsigned int value)
}
entry = entry->prev;
}
+ device_pm_unlock();
return match;
}