From: Li Nan <linan122@xxxxxxxxxx>
There is nothing to do at 'out' before setting 'did_set_md_closing'
in md_ioctl(). Return directly, and it will help us to remove
'did_set_md_closing' later.
Signed-off-by: Li Nan <linan122@xxxxxxxxxx>
---
drivers/md/md.c | 25 ++++++++-----------------
1 file changed, 8 insertions(+), 17 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 6432bdbddb1c..08b0f80274c0 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7625,26 +7625,19 @@ static int md_ioctl(struct block_device *bdev, blk_mode_t mode,
switch (cmd) {
case GET_ARRAY_INFO:
if (!mddev->raid_disks && !mddev->external)
- err = -ENODEV;
- else
- err = get_array_info(mddev, argp);
- goto out;
+ return -ENODEV;
+ return get_array_info(mddev, argp);
case GET_DISK_INFO:
if (!mddev->raid_disks && !mddev->external)
- err = -ENODEV;
- else
- err = get_disk_info(mddev, argp);
- goto out;
+ return -ENODEV;
+ return get_disk_info(mddev, argp);
case SET_DISK_FAULTY:
- err = set_disk_faulty(mddev, new_decode_dev(arg));
- goto out;
+ return set_disk_faulty(mddev, new_decode_dev(arg));
case GET_BITMAP_FILE:
- err = get_bitmap_file(mddev, argp);
- goto out;
-
+ return get_bitmap_file(mddev, argp);
}
if (cmd == HOT_REMOVE_DISK)
@@ -7660,13 +7653,11 @@ static int md_ioctl(struct block_device *bdev, blk_mode_t mode,
mutex_lock(&mddev->open_mutex);
if (mddev->pers && atomic_read(&mddev->openers) > 1) {
mutex_unlock(&mddev->open_mutex);
- err = -EBUSY;
- goto out;
+ return -EBUSY;
}
if (test_and_set_bit(MD_CLOSING, &mddev->flags)) {
mutex_unlock(&mddev->open_mutex);
- err = -EBUSY;
- goto out;
+ return -EBUSY;
}
did_set_md_closing = true;
mutex_unlock(&mddev->open_mutex);
--
2.39.2
