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-rw-r--r--block/bsg.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/block/bsg.c b/block/bsg.c
index 0b3b282f038..5fb9b0bdbe8 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -740,8 +740,13 @@ static int bsg_put_device(struct bsg_device *bd)
mutex_lock(&bsg_mutex);
do_free = atomic_dec_and_test(&bd->ref_count);
- if (!do_free)
+ if (!do_free) {
+ mutex_unlock(&bsg_mutex);
goto out;
+ }
+
+ hlist_del(&bd->dev_list);
+ mutex_unlock(&bsg_mutex);
dprintk("%s: tearing down\n", bd->name);
@@ -757,10 +762,8 @@ static int bsg_put_device(struct bsg_device *bd)
*/
ret = bsg_complete_all_commands(bd);
- hlist_del(&bd->dev_list);
kfree(bd);
out:
- mutex_unlock(&bsg_mutex);
kref_put(&q->bsg_dev.ref, bsg_kref_release_function);
if (do_free)
blk_put_queue(q);