crypto: caam - pair irq map and dispose in the same function

irq_dispose_mapping is not called on all error paths from caam_jr_init.
This takes care of several clean-up issues by performing resource
clean-up and allocation at the same level.
Signed-off-by: NCristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/caam/jr.c

@@ -384,8 +384,6 @@ static int caam_jr_init(struct device *dev)
 	if (error) {
 		dev_err(dev, "can't connect JobR %d interrupt (%d)\n",
 			jrp->ridx, jrp->irq);
-		irq_dispose_mapping(jrp->irq);
-		jrp->irq = 0;
 		return -EINVAL;
 	}
 
@@ -484,8 +482,10 @@ static int caam_jr_probe(struct platform_device *pdev)
 
 	/* Now do the platform independent part */
 	error = caam_jr_init(jrdev); /* now turn on hardware */
-	if (error)
+	if (error) {
+		irq_dispose_mapping(jrpriv->irq);
 		return error;
+	}
 
 	jrpriv->dev = jrdev;
 	spin_lock(&driver_data.jr_alloc_lock);