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 | 23 ++++++++--------------- 1 file changed, 8 insertions(+), 15 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 656080086052..5442e8e3c161 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7636,10 +7636,8 @@ static int md_ioctl(struct block_device *bdev, blk_mode_t mode, * Commands dealing with the RAID driver but not any * particular array: */ - if (cmd == RAID_VERSION) { - err = get_version(argp); - goto out; - } + if (cmd == RAID_VERSION) + return get_version(argp); /* * Commands creating/starting a new array: @@ -7654,23 +7652,20 @@ static int md_ioctl(struct block_device *bdev, blk_mode_t mode, err = -ENODEV; else err = get_array_info(mddev, argp); - goto out; + return err; case GET_DISK_INFO: if (!mddev->raid_disks && !mddev->external) err = -ENODEV; else err = get_disk_info(mddev, argp); - goto out; + return err; 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) @@ -7686,13 +7681,11 @@ 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