Merge tag 'block-6.19-20251226' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

Pull block fixes from Jens Axboe:

 - Fix for a signedness issue introduced in this kernel release for rnbd

 - Fix up user copy references for ublk when the server exits

* tag 'block-6.19-20251226' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
  block: rnbd-clt: Fix signedness bug in init_dev()
  ublk: clean up user copy references on ublk server exit

Author: torvalds

drivers/block/rnbd/rnbd-clt.h

@@ -112,7 +112,7 @@ struct rnbd_clt_dev {
 	struct rnbd_queue	*hw_queues;
 	u32			device_id;
 	/* local Idr index - used to track minor number allocations. */
-	u32			clt_device_id;
+	int			clt_device_id;
 	struct mutex		lock;
 	enum rnbd_clt_dev_state	dev_state;
 	refcount_t		refcount;

drivers/block/ublk_drv.c

@@ -1607,8 +1607,7 @@ static bool ublk_check_and_reset_active_ref(struct ublk_device *ub)
 {
 	int i, j;
 
-	if (!(ub->dev_info.flags & (UBLK_F_SUPPORT_ZERO_COPY |
-					UBLK_F_AUTO_BUF_REG)))
+	if (!ublk_dev_need_req_ref(ub))
 		return false;
 
 	for (i = 0; i < ub->dev_info.nr_hw_queues; i++) {