[PATCH 12/15] pcd: 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/paride/pcd.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 93ed63626232..a7fab3830d7b 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -941,9 +941,13 @@ static int pcd_init_unit(struct pcd_unit *cd, bool autoprobe, int port,
 	cd->present = 1;
 	pcd_probe_capabilities(cd);
 	register_cdrom(cd->disk, &cd->info);
-	add_disk(cd->disk);
+	ret = add_disk(cd->disk);
+	if (ret)
+		goto out_unreg_cdrom;
 	return 0;
 
+out_unreg_cdrom:
+	unregister_cdrom(&cd->info);
 out_pi_release:
 	pi_release(cd->pi);
 out_free_disk:
-- 
2.30.2