[S390] qdio: fix init sequence
Reorder the initialization sequence of the qdio module to avoid
writing to an uninitialized debug feature entry. Also reorder
the exit function to restore a consistent cleanup path.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 479c665..c532ba9 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -1649,26 +1649,26 @@
{
int rc;
- rc = qdio_setup_init();
+ rc = qdio_debug_init();
if (rc)
return rc;
+ rc = qdio_setup_init();
+ if (rc)
+ goto out_debug;
rc = tiqdio_allocate_memory();
if (rc)
goto out_cache;
- rc = qdio_debug_init();
- if (rc)
- goto out_ti;
rc = tiqdio_register_thinints();
if (rc)
- goto out_debug;
+ goto out_ti;
return 0;
-out_debug:
- qdio_debug_exit();
out_ti:
tiqdio_free_memory();
out_cache:
qdio_setup_exit();
+out_debug:
+ qdio_debug_exit();
return rc;
}
@@ -1676,8 +1676,8 @@
{
tiqdio_unregister_thinints();
tiqdio_free_memory();
- qdio_debug_exit();
qdio_setup_exit();
+ qdio_debug_exit();
}
module_init(init_QDIO);