[PATCH v5 09/14] mtd/ubi/block: add error handling support for add_disk()
From: Luis Chamberlain <mcgrof@kernel.org>
Date: 2021-11-03 23:05:00
Also in:
linux-block, linux-scsi, lkml
Subsystem:
memory technology devices (mtd), the rest, unsorted block images (ubi) · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
We never checked for errors on add_disk() as this function returned void. Now that this is fixed, use the shiny new error handling. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> --- drivers/mtd/ubi/block.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index e003b4b44ffa..062e6c2c45f5 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c@@ -447,12 +447,18 @@ int ubiblock_create(struct ubi_volume_info *vi) list_add_tail(&dev->list, &ubiblock_devices); /* Must be the last step: anyone can call file ops from now on */ - add_disk(dev->gd); + ret = add_disk(dev->gd); + if (ret) + goto out_destroy_wq; + dev_info(disk_to_dev(dev->gd), "created from ubi%d:%d(%s)", dev->ubi_num, dev->vol_id, vi->name); mutex_unlock(&devices_mutex); return 0; +out_destroy_wq: + list_del(&dev->list); + destroy_workqueue(dev->wq); out_remove_minor: idr_remove(&ubiblock_minor_idr, gd->first_minor); out_cleanup_disk:
--
2.33.0