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md: return directly before setting did_set_md_closing

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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@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240226031444.3606764-5-linan666@huaweicloud.com
This commit is contained in:
Li Nan 2024-02-26 11:14:39 +08:00 committed by Song Liu
parent 9dd8702e7c
commit 91b26a39fb
1 changed files with 8 additions and 17 deletions
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25
drivers/md/md.c
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@ -7626,26 +7626,19 @@ 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)
@ -7661,13 +7654,11 @@ 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);