crypto: caam - Unmap region obtained by of_iomap

Free memory mapping, if probe is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 3202288..757c27f 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -506,6 +506,7 @@
 	error = caam_jr_init(jrdev); /* now turn on hardware */
 	if (error) {
 		irq_dispose_mapping(jrpriv->irq);
+		iounmap(ctrl);
 		return error;
 	}