We never checked for errors on add_disk() as this function returned void. Now that this is fixed, use the shiny new error handling. Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> --- drivers/s390/block/dcssblk.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 5be3d1c39a78..b0fd5009a12e 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -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 put_dev; switch (dev_info->segment_type) { case SEG_TYPE_SR: -- 2.30.2