diff mbox series

[5/9] mtd: add add_disk() error handling

Message ID 20210902174105.2418771-6-mcgrof@kernel.org
State New
Headers show
Series block: 5th batch of add_disk() error handling conversions | expand

Commit Message

Luis Chamberlain Sept. 2, 2021, 5:41 p.m. UTC
We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
 drivers/mtd/mtd_blkdevs.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Comments

Miquel Raynal Sept. 2, 2021, 7:09 p.m. UTC | #1
Hi Luis,

Luis Chamberlain <mcgrof@kernel.org> wrote on Thu,  2 Sep 2021 10:41:01
-0700:

> We never checked for errors on add_disk() as this function
> returned void. Now that this is fixed, use the shiny new
> error handling.
> 
> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>

Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>

Thanks,
Miquèl
diff mbox series

Patch

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 44bea3f65060..343ff96589cc 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -427,7 +427,9 @@  int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 	if (new->readonly)
 		set_disk_ro(gd, 1);
 
-	device_add_disk(&new->mtd->dev, gd, NULL);
+	ret = device_add_disk(&new->mtd->dev, gd, NULL);
+	if (ret)
+		goto out_cleanup_disk;
 
 	if (new->disk_attributes) {
 		ret = sysfs_create_group(&disk_to_dev(gd)->kobj,
@@ -436,6 +438,8 @@  int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 	}
 	return 0;
 
+out_cleanup_disk:
+	blk_cleanup_disk(new->disk);
 out_free_tag_set:
 	blk_mq_free_tag_set(new->tag_set);
 out_kfree_tag_set: