diff --git a/drivers/misc/genwqe/card_base.c b/drivers/misc/genwqe/card_base.c
index 43bbabc96b6c..070a55c36101 100644
--- a/drivers/misc/genwqe/card_base.c
+++ b/drivers/misc/genwqe/card_base.c
@@ -346,8 +346,13 @@ static bool genwqe_setup_vf_jtimer(struct genwqe_dev *cd)
 	unsigned int vf;
 	u32 T = genwqe_T_psec(cd);
 	u64 x;
+	int totalvfs;
 
-	for (vf = 0; vf < pci_sriov_get_totalvfs(pci_dev); vf++) {
+	totalvfs = pci_sriov_get_totalvfs(pci_dev);
+	if (totalvfs <= 0)
+		return false;
+
+	for (vf = 0; vf < totalvfs; vf++) {
 
 		if (cd->vf_jobtimeout_msec[vf] == 0)
 			continue;
@@ -1125,6 +1130,8 @@ static int genwqe_pci_setup(struct genwqe_dev *cd)
 	}
 
 	cd->num_vfs = pci_sriov_get_totalvfs(pci_dev);
+	if (cd->num_vfs < 0)
+		cd->num_vfs = 0;
 
 	err = genwqe_read_ids(cd);
 	if (err)
diff --git a/drivers/misc/genwqe/card_base.h b/drivers/misc/genwqe/card_base.h
index 67abd8cb2247..37657d6228de 100644
--- a/drivers/misc/genwqe/card_base.h
+++ b/drivers/misc/genwqe/card_base.h
@@ -306,7 +306,7 @@ struct genwqe_dev {
 	struct pci_dev *pci_dev;	/* PCI device */
 	void __iomem *mmio;		/* BAR-0 MMIO start */
 	unsigned long mmio_len;
-	u16 num_vfs;
+	int num_vfs;
 	u32 vf_jobtimeout_msec[GENWQE_MAX_VFS];
 	int is_privileged;		/* access to all regs possible */