EDAC: Export edac sysfs class to users.

Move toplevel sysfs class to the stub and make it available to
non-modularized code too. Add proper refcounting of its users and move
the registration functionality into the reference counting routines.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index c39697df9cb4..023b01cb5175 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -7,7 +7,7 @@
  *
  */
 #include <linux/module.h>
-#include <linux/sysdev.h>
+#include <linux/edac.h>
 #include <linux/slab.h>
 #include <linux/ctype.h>
 
@@ -354,7 +354,7 @@ static int edac_pci_main_kobj_setup(void)
         /* First time, so create the main kobject and its
          * controls and atributes
          */
-        edac_class = edac_get_edac_class();
+        edac_class = edac_get_sysfs_class();
         if (edac_class == NULL) {
                 debugf1("%s() no edac_class\n", __func__);
                 err = -ENODEV;
@@ -368,7 +368,7 @@ static int edac_pci_main_kobj_setup(void)
         if (!try_module_get(THIS_MODULE)) {
                 debugf1("%s() try_module_get() failed\n", __func__);
                 err = -ENODEV;
-                goto decrement_count_fail;
+                goto mod_get_fail;
         }
 
         edac_pci_top_main_kobj = kzalloc(sizeof(struct kobject), GFP_KERNEL);
@@ -403,6 +403,9 @@ kobject_init_and_add_fail:
 kzalloc_fail:
         module_put(THIS_MODULE);
 
+mod_get_fail:
+        edac_put_sysfs_class();
+
 decrement_count_fail:
         /* if are on this error exit, nothing to tear down */
         atomic_dec(&edac_pci_sysfs_refcount);
@@ -429,6 +432,7 @@ static void edac_pci_main_kobj_teardown(void)
                         __func__);
                 kobject_put(edac_pci_top_main_kobj);
         }
+        edac_put_sysfs_class();
 }
 
 /*