diff options
Diffstat (limited to 'drivers/s390/block/dcssblk.c')
| -rw-r--r-- | drivers/s390/block/dcssblk.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 5be3d1c39a78..27ab888b44d0 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -30,7 +30,7 @@ static int dcssblk_open(struct block_device *bdev, fmode_t mode); static void dcssblk_release(struct gendisk *disk, fmode_t mode); -static blk_qc_t dcssblk_submit_bio(struct bio *bio); +static void dcssblk_submit_bio(struct bio *bio); static long dcssblk_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages, void **kaddr, pfn_t *pfn); @@ -696,7 +696,9 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char } get_device(&dev_info->dev); - device_add_disk(&dev_info->dev, dev_info->gd, NULL); + rc = device_add_disk(&dev_info->dev, dev_info->gd, NULL); + if (rc) + goto out_dax; switch (dev_info->segment_type) { case SEG_TYPE_SR: @@ -712,6 +714,10 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char rc = count; goto out; +out_dax: + put_device(&dev_info->dev); + kill_dax(dev_info->dax_dev); + put_dax(dev_info->dax_dev); put_dev: list_del(&dev_info->lh); blk_cleanup_disk(dev_info->gd); @@ -854,7 +860,7 @@ dcssblk_release(struct gendisk *disk, fmode_t mode) up_write(&dcssblk_devices_sem); } -static blk_qc_t +static void dcssblk_submit_bio(struct bio *bio) { struct dcssblk_dev_info *dev_info; @@ -907,10 +913,9 @@ dcssblk_submit_bio(struct bio *bio) bytes_done += bvec.bv_len; } bio_endio(bio); - return BLK_QC_T_NONE; + return; fail: bio_io_error(bio); - return BLK_QC_T_NONE; } static long |