[PATCH next] crypto: qat/qat_6xxx - Fix NULL vs IS_ERR() check in adf_probe()

[Dan Carpenter]

The pcim_iomap_region() returns error pointers.  It doesn't return NULL
pointers.  Update the check to match.

Fixes: 17fd7514ae68 ("crypto: qat - add qat_6xxx driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/crypto/intel/qat/qat_6xxx/adf_drv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/intel/qat/qat_6xxx/adf_drv.c b/drivers/crypto/intel/qat/qat_6xxx/adf_drv.c
index 2531c337e0dd..132e26501621 100644
--- a/drivers/crypto/intel/qat/qat_6xxx/adf_drv.c
+++ b/drivers/crypto/intel/qat/qat_6xxx/adf_drv.c
@@ -156,8 +156,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 		/* Map 64-bit PCIe BAR */
 		bar->virt_addr = pcim_iomap_region(pdev, bar_map[i], pci_name(pdev));
-		if (!bar->virt_addr) {
-			ret = -ENOMEM;
+		if (IS_ERR(bar->virt_addr)) {
+			ret = PTR_ERR(bar->virt_addr);
 			return dev_err_probe(dev, ret, "Failed to ioremap PCI region.\n");
 		}
 	}
-- 
2.47.2