Revert "driver: block: release the lo_work_lock before queue_work"

This reverts commit ad934fc1784802fd1408224474b25ee5289fadfc.

loop_queue_work should be strictly serialized to loop_process_work since
the lo_worker could be freed without noticing new work has been queued
again.

Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
Link: https://lore.kernel.org/r/20250218065835.19503-1-zhaoyang.huang@unisoc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 68c943a..c05fe27 100644 (file)
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -894,8 +894,8 @@ queue_work:
                cmd_list = &lo->rootcg_cmd_list;
        }
        list_add_tail(&cmd->list_entry, cmd_list);
-       spin_unlock_irq(&lo->lo_work_lock);
        queue_work(lo->workqueue, work);
+       spin_unlock_irq(&lo->lo_work_lock);
 }
 
 static void loop_set_timer(struct loop_device *lo)