[PATCH] rbd: assert next_completion under completion_lock

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completion_lock is there specifically to protect next_completion.

Signed-off-by: Ilya Dryomov <ilya.dryomov@xxxxxxxxxxx>
---
 drivers/block/rbd.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index fbf41e058bfd..f044fab3da99 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2123,12 +2123,12 @@ static void rbd_img_obj_callback(struct rbd_obj_request *obj_request)
 	rbd_assert(img_request->obj_request_count > 0);
 	rbd_assert(which != BAD_WHICH);
 	rbd_assert(which < img_request->obj_request_count);
-	rbd_assert(which >= img_request->next_completion);
 
 	spin_lock_irq(&img_request->completion_lock);
-	if (which != img_request->next_completion)
+	if (which > img_request->next_completion)
 		goto out;
 
+	rbd_assert(which == img_request->next_completion);
 	for_each_obj_request_from(img_request, obj_request) {
 		rbd_assert(more);
 		rbd_assert(which < img_request->obj_request_count);
-- 
1.7.10.4

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