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Coverity issue: 405356 Fixes: 7b2a1228c59d ("vdpa/nfp: add remap PCI memory") Cc: stable@dpdk.org Signed-off-by: Chaoyong He Reviewed-by: Long Wu Reviewed-by: Peng Zhang --- drivers/vdpa/nfp/nfp_vdpa.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/nfp/nfp_vdpa.c b/drivers/vdpa/nfp/nfp_vdpa.c index a1d1dc4f73..cef80b5476 100644 --- a/drivers/vdpa/nfp/nfp_vdpa.c +++ b/drivers/vdpa/nfp/nfp_vdpa.c @@ -113,8 +113,10 @@ nfp_vdpa_vfio_setup(struct nfp_vdpa_dev *device) rte_pci_unmap_device(pci_dev); rte_pci_device_name(&pci_dev->addr, dev_name, RTE_DEV_NAME_MAX_LEN); - rte_vfio_get_group_num(rte_pci_get_sysfs_path(), dev_name, + ret = rte_vfio_get_group_num(rte_pci_get_sysfs_path(), dev_name, &device->iommu_group); + if (ret <= 0) + return -1; device->vfio_container_fd = rte_vfio_container_create(); if (device->vfio_container_fd < 0)