diff --git a/drivers/fpga/dfl-pci.c b/drivers/fpga/dfl-pci.c
index 717ac9715970..fd1fa55c9113 100644
--- a/drivers/fpga/dfl-pci.c
+++ b/drivers/fpga/dfl-pci.c
@@ -259,6 +259,15 @@ static int find_dfls_by_default(struct pci_dev *pcidev,
 			 */
 			bar = FIELD_GET(FME_PORT_OFST_BAR_ID, v);
 			offset = FIELD_GET(FME_PORT_OFST_DFH_OFST, v);
+			if (bar == FME_PORT_OFST_BAR_SKIP) {
+				continue;
+			} else if (bar >= PCI_STD_NUM_BARS) {
+				dev_err(&pcidev->dev, "bad BAR %d for port %d\n",
+					bar, i);
+				ret = -EINVAL;
+				break;
+			}
+
 			start = pci_resource_start(pcidev, bar) + offset;
 			len = pci_resource_len(pcidev, bar) - offset;
 
diff --git a/drivers/fpga/dfl.h b/drivers/fpga/dfl.h
index 53572c7aced0..06cfcd5e84bb 100644
--- a/drivers/fpga/dfl.h
+++ b/drivers/fpga/dfl.h
@@ -89,6 +89,7 @@
 #define FME_HDR_NEXT_AFU	NEXT_AFU
 #define FME_HDR_CAP		0x30
 #define FME_HDR_PORT_OFST(n)	(0x38 + ((n) * 0x8))
+#define FME_PORT_OFST_BAR_SKIP	7
 #define FME_HDR_BITSTREAM_ID	0x60
 #define FME_HDR_BITSTREAM_MD	0x68