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vfio-ccw: fix error return code in vfio_ccw_sch_init()

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Fix to return negative error code -ENOMEM from the memory alloc failed
error handling case instead of 0, as done elsewhere in this function.

Fixes: 60e05d1cf0 ("vfio-ccw: add some logging")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Link https://lore.kernel.org/kvm/20190904083315.105600-1-weiyongjun1@huawei.com/
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Wei Yongjun 2019-09-04 08:33:15 +00:00 committed by Vasily Gorbik
parent 024cdcdbf3
commit 987ca7ca1f
1 changed files with 6 additions and 2 deletions
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8
drivers/s390/cio/vfio_ccw_drv.c
View file

@ -317,15 +317,19 @@ static int __init vfio_ccw_sch_init(void)
sizeof(struct ccw_io_region), 0,
SLAB_ACCOUNT, 0,
sizeof(struct ccw_io_region), NULL);
if (!vfio_ccw_io_region)
if (!vfio_ccw_io_region) {
ret = -ENOMEM;
goto out_err;
}
vfio_ccw_cmd_region = kmem_cache_create_usercopy("vfio_ccw_cmd_region",
sizeof(struct ccw_cmd_region), 0,
SLAB_ACCOUNT, 0,
sizeof(struct ccw_cmd_region), NULL);
if (!vfio_ccw_cmd_region)
if (!vfio_ccw_cmd_region) {
ret = -ENOMEM;
goto out_err;
}
isc_register(VFIO_CCW_ISC);
ret = css_driver_register(&vfio_ccw_sch_driver);