[PATCH] ehea: Nullpointer dereferencation fix

Fix: Must check for nullpointer before dereferencing it - not afterwards.

Signed-off-by: Thomas Klein <[e-mail]>
Signed-off-by: Jeff Garzik <[e-mail]>

drivers/net/ehea/ehea_qmr.c

···
 {
 	u64 adapter_handle, hret;
 
-	adapter_handle = cq->adapter->handle;
-
 	if (!cq)
 		return 0;
+
+	adapter_handle = cq->adapter->handle;
 
 	/* deregister all previous registered pages */
 	hret = ehea_h_free_resource(adapter_handle, cq->fw_handle);