s390/ap: Don't leak debug feature files if AP instructions are not available

If no AP instructions are available the AP bus module leaks registered
debug feature files. Change function call order to fix this.

Fixes: cccd85bfb7bf ("s390/zcrypt: Rework debug feature invocations.")
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index c8589ac744e4b8d96f2fb8906a43181fb5f765e6..82f4ac97fe976108ef69c89c32dcc3cd9e1ebea3 100644 (file)
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -2494,15 +2494,15 @@ static int __init ap_module_init(void)
 {
        int rc;
 
-       rc = ap_debug_init();
-       if (rc)
-               return rc;
-
        if (!ap_instructions_available()) {
                pr_warn("The hardware system does not support AP instructions\n");
                return -ENODEV;
        }
 
+       rc = ap_debug_init();
+       if (rc)
+               return rc;
+
        /* init ap_queue hashtable */
        hash_init(ap_queues);