Jason Wang
2021-Jul-15 08:09 UTC
[PATCH 3/4] vDPA/ifcvf: Fix return value check for vdpa_alloc_device()
? 2021/7/15 ??4:00, Xie Yongji ??:> 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 at oracle.com> > Signed-off-by: Xie Yongji <xieyongji at bytedance.com>Acked-by: Jason Wang <jasowang at redhat.com>> --- > drivers/vdpa/ifcvf/ifcvf_main.c | 4 ++-- > 1 file 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);