From: Wei Yongjun Date: Wed, 4 Sep 2019 08:33:15 +0000 (+0000) Subject: vfio-ccw: fix error return code in vfio_ccw_sch_init() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=987ca7ca1fda0ac470179b2110716d62e107ab06;p=openwrt%2Fstaging%2Fblogic.git vfio-ccw: fix error return code in vfio_ccw_sch_init() 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: 60e05d1cf087 ("vfio-ccw: add some logging") Signed-off-by: Wei Yongjun Reviewed-by: Cornelia Huck Link https://lore.kernel.org/kvm/20190904083315.105600-1-weiyongjun1@huawei.com/ Signed-off-by: Christian Borntraeger Signed-off-by: Vasily Gorbik --- diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c index 45e792f6afd0..e401a3d0aa57 100644 --- a/drivers/s390/cio/vfio_ccw_drv.c +++ b/drivers/s390/cio/vfio_ccw_drv.c @@ -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);