diff options
| -rw-r--r-- | drivers/base/power/trace.c | 5 |
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; } |