crypto/nx: Create nx842_delete_coprocs function

Move deleting coprocessors info upon exit or failure to
nx842_delete_coprocs().

Signed-off-by: Haren Myneni <haren@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

drivers/crypto/nx/nx-842-powernv.c

@@ -593,6 +593,16 @@ static int __init nx842_powernv_probe(struct device_node *dn)
 	return 0;
 }
 
+static void nx842_delete_coprocs(void)
+{
+	struct nx842_coproc *coproc, *n;
+
+	list_for_each_entry_safe(coproc, n, &nx842_coprocs, list) {
+		list_del(&coproc->list);
+		kfree(coproc);
+	}
+}
+
 static struct nx842_constraints nx842_powernv_constraints = {
 	.alignment =	DDE_BUFFER_ALIGN,
 	.multiple =	DDE_BUFFER_LAST_MULT,
@@ -652,13 +662,7 @@ static __init int nx842_powernv_init(void)
 
 	ret = crypto_register_alg(&nx842_powernv_alg);
 	if (ret) {
-		struct nx842_coproc *coproc, *n;
-
-		list_for_each_entry_safe(coproc, n, &nx842_coprocs, list) {
-			list_del(&coproc->list);
-			kfree(coproc);
-		}
-
+		nx842_delete_coprocs();
 		return ret;
 	}
 
@@ -668,13 +672,8 @@ module_init(nx842_powernv_init);
 
 static void __exit nx842_powernv_exit(void)
 {
-	struct nx842_coproc *coproc, *n;
-
 	crypto_unregister_alg(&nx842_powernv_alg);
 
-	list_for_each_entry_safe(coproc, n, &nx842_coprocs, list) {
-		list_del(&coproc->list);
-		kfree(coproc);
-	}
+	nx842_delete_coprocs();
 }
 module_exit(nx842_powernv_exit);