[PATCH v2 02/15] aoe: add error handling support for add_disk()

[Luis Chamberlain]

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 at kernel.org>
---
 drivers/block/aoe/aoeblk.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index 06b360f7123a..e436b0e8eff5 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -417,7 +417,9 @@ aoeblk_gdalloc(void *vp)
 
 	spin_unlock_irqrestore(&d->lock, flags);
 
-	device_add_disk(NULL, gd, aoe_attr_groups);
+	err = device_add_disk(NULL, gd, aoe_attr_groups);
+	if (err)
+		goto out_disk_cleanup;
 	aoedisk_add_debugfs(d);
 
 	spin_lock_irqsave(&d->lock, flags);
@@ -426,6 +428,8 @@ aoeblk_gdalloc(void *vp)
 	spin_unlock_irqrestore(&d->lock, flags);
 	return;
 
+out_disk_cleanup:
+	blk_cleanup_disk(gd);
 err_tagset:
 	blk_mq_free_tag_set(set);
 err_mempool:
-- 
2.30.2