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authorXie Yongji <xieyongji@bytedance.com>2021-07-15 16:00:25 +0800
committerMichael S. Tsirkin <mst@redhat.com>2021-08-11 06:44:23 -0400
commit1057afa0121db8bd3ca4718c8e0ca12388ab7759 (patch)
tree25f59a750f17b6da6acd11e6f232eb05e0eb3f03 /drivers/vdpa
parent9632e78e82648aa98340df78eab9106f63da151e (diff)
downloadlinux-1057afa0121db8bd3ca4718c8e0ca12388ab7759.tar.bz2
vDPA/ifcvf: Fix return value check for vdpa_alloc_device()
The vdpa_alloc_device() returns an error pointer upon failure, not NULL. To handle the failure correctly, this replaces NULL check with IS_ERR() check and propagate the error upwards. Fixes: 5a2414bc454e ("virtio: Intel IFC VF driver for VDPA") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Xie Yongji <xieyongji@bytedance.com> Link: https://lore.kernel.org/r/20210715080026.242-3-xieyongji@bytedance.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Diffstat (limited to 'drivers/vdpa')
-rw-r--r--drivers/vdpa/ifcvf/ifcvf_main.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index 21b78f1cd521..351c6cfb24c3 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -493,9 +493,9 @@ static int ifcvf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
adapter = vdpa_alloc_device(struct ifcvf_adapter, vdpa,
dev, &ifc_vdpa_ops, NULL);
- if (adapter == NULL) {
+ if (IS_ERR(adapter)) {
IFCVF_ERR(pdev, "Failed to allocate vDPA structure");
- return -ENOMEM;
+ return PTR_ERR(adapter);
}
pci_set_master(pdev);