linux-kernel - [PATCH 01/14] block/swim3: add error handling support for add

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Date:   Fri,  3 Sep 2021 18:35:23 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     axboe@...nel.dk, efremov@...ux.com, hch@....de
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: [PATCH 01/14] block/swim3: add error handling support for add_disk()

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@...nel.org>
---
 drivers/block/swim3.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 965af0a3e95b..f7e3482e846b 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -1229,7 +1229,9 @@ static int swim3_attach(struct macio_dev *mdev,
 	disk->flags |= GENHD_FL_REMOVABLE;
 	sprintf(disk->disk_name, "fd%d", floppy_count);
 	set_capacity(disk, 2880);
-	add_disk(disk);
+	rc = add_disk(disk);
+	if (rc)
+		goto out_cleanup_disk;
 
 	disks[floppy_count++] = disk;
 	return 0;
-- 
2.30.2