diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 949af89cdac3de55c0c03c9a78d0e4ad1ae268cb..93474f8babfc3b085901b2b97bb3c235a099118d 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -2079,9 +2079,9 @@ static int atmel_aes_probe(struct platform_device *pdev)
 	}
 
 	aes_dd->io_base = devm_ioremap_resource(&pdev->dev, aes_res);
-	if (!aes_dd->io_base) {
+	if (IS_ERR(aes_dd->io_base)) {
 		dev_err(dev, "can't ioremap\n");
-		err = -ENOMEM;
+		err = PTR_ERR(aes_dd->io_base);
 		goto res_err;
 	}
 
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 7b93586154a788a6d81905d216313ca1d1d9d03c..4b2dd95782bfc175a1d9c773689b6f06e3a87f28 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -1486,9 +1486,9 @@ static int atmel_sha_probe(struct platform_device *pdev)
 	}
 
 	sha_dd->io_base = devm_ioremap_resource(&pdev->dev, sha_res);
-	if (!sha_dd->io_base) {
+	if (IS_ERR(sha_dd->io_base)) {
 		dev_err(dev, "can't ioremap\n");
-		err = -ENOMEM;
+		err = PTR_ERR(sha_dd->io_base);
 		goto res_err;
 	}
 
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index 2c7a628d0375fd43d80f82084b38eed009a8f032..bf467d7be35cfe2d94fccdbb884716c948017bd6 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -1417,9 +1417,9 @@ static int atmel_tdes_probe(struct platform_device *pdev)
 	}
 
 	tdes_dd->io_base = devm_ioremap_resource(&pdev->dev, tdes_res);
-	if (!tdes_dd->io_base) {
+	if (IS_ERR(tdes_dd->io_base)) {
 		dev_err(dev, "can't ioremap\n");
-		err = -ENOMEM;
+		err = PTR_ERR(tdes_dd->io_base);
 		goto res_err;
 	}