1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 06ed6b4e7df5..d5585da14c8a 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -534,6 +534,8 @@ static int _request_firmware(const struct firmware **firmware_p,
                 return 0;
         }
 
+        read_lock_usermodehelper();
+
         if (WARN_ON(usermodehelper_is_disabled())) {
                 dev_err(device, "firmware: %s will not be loaded\n", name);
                 retval = -EBUSY;
@@ -572,6 +574,8 @@ static int _request_firmware(const struct firmware **firmware_p,
         fw_destroy_instance(fw_priv);
 
 out:
+        read_unlock_usermodehelper();
+
         if (retval) {
                 release_firmware(firmware);
                 *firmware_p = NULL;