[PATCH 06/14] amiflop: add error handling support for add_disk()
From: Luis Chamberlain <mcgrof@kernel.org>
Date: 2021-09-04 01:35:42
Also in:
lkml
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, 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. The caller for fd_alloc_disk() deals with the rest of the cleanup like the tag. Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> --- drivers/block/amiflop.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 8b1714021498..7da6a7532cde 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c@@ -1780,6 +1780,7 @@ static const struct blk_mq_ops amiflop_mq_ops = { static int fd_alloc_disk(int drive, int system) { struct gendisk *disk; + int err; disk = blk_mq_alloc_disk(&unit[drive].tag_set, NULL); if (IS_ERR(disk))
@@ -1798,8 +1799,10 @@ static int fd_alloc_disk(int drive, int system) set_capacity(disk, 880 * 2); unit[drive].gendisk[system] = disk; - add_disk(disk); - return 0; + err = add_disk(disk); + if (err) + blk_cleanup_disk(disk); + return err; } static int fd_alloc_drive(int drive)
--
2.30.2