firmware_loader: fix use-after-free in firmware_fallback_sysfs

[linux-2.6-microblaze.git] / drivers / base / firmware_loader / main.c

diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index 4fdb821..68c549d 100644 (file)
--- a/drivers/base/firmware_loader/main.c
+++ b/drivers/base/firmware_loader/main.c
@@ -783,8 +783,10 @@ static void fw_abort_batch_reqs(struct firmware *fw)
                return;
 
        fw_priv = fw->priv;
+       mutex_lock(&fw_lock);
        if (!fw_state_is_aborted(fw_priv))
                fw_state_aborted(fw_priv);
+       mutex_unlock(&fw_lock);
 }
 
 /* called from request_firmware() and request_firmware_work_func() */