nvme: Remove unused return code from nvme_delete_ctrl_sync

The return code of nvme_delete_ctrl_sync is never used, so change it to
void.

Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 392af3c..8a7761c 100644 (file)
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -192,21 +192,16 @@ int nvme_delete_ctrl(struct nvme_ctrl *ctrl)
 }
 EXPORT_SYMBOL_GPL(nvme_delete_ctrl);
 
-static int nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl)
+static void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl)
 {
-       int ret = 0;
-
        /*
         * Keep a reference until nvme_do_delete_ctrl() complete,
         * since ->delete_ctrl can free the controller.
         */
        nvme_get_ctrl(ctrl);
-       if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING))
-               ret = -EBUSY;
-       if (!ret)
+       if (nvme_change_ctrl_state(ctrl, NVME_CTRL_DELETING))
                nvme_do_delete_ctrl(ctrl);
        nvme_put_ctrl(ctrl);
-       return ret;
 }
 
 static inline bool nvme_ns_has_pi(struct nvme_ns *ns)