diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c
index a4b972459f52..f987bcbe8f35 100644
--- a/arch/s390/crypto/paes_s390.c
+++ b/arch/s390/crypto/paes_s390.c
@@ -220,6 +220,10 @@ static inline int convert_key(const u8 *key, unsigned int keylen,
 				      xflags);
 	}
 
+	/* But finally map -EBUSY to -EIO to indicate an IO failure */
+	if (rc == -EBUSY)
+		rc = -EIO;
+
 out:
 	pr_debug("rc=%d\n", rc);
 	return rc;
diff --git a/arch/s390/crypto/phmac_s390.c b/arch/s390/crypto/phmac_s390.c
index 283a00754a06..bbf8a6809ecb 100644
--- a/arch/s390/crypto/phmac_s390.c
+++ b/arch/s390/crypto/phmac_s390.c
@@ -341,6 +341,10 @@ static inline int convert_key(const u8 *key, unsigned int keylen,
 				      xflags);
 	}
 
+	/* But finally map -EBUSY to -EIO to indicate an IO failure */
+	if (rc == -EBUSY)
+		rc = -EIO;
+
 out:
 	pr_debug("rc=%d\n", rc);
 	return rc;