Kobject: change drivers/edac to use kobject_init_and_add

Stop using kobject_register, as this way we can control the sending of
the uevent properly, after everything is properly initialized.

Acked-by: Doug Thompson <dougthompson@xmission.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 29 insertions, 67 deletions

diff --git a/drivers/edac/edac_device_sysfs.c b/drivers/edac/edac_device_sysfs.c
index 70b837f23c43..10e5b19a3e3b 100644
--- a/drivers/edac/edac_device_sysfs.c
+++ b/drivers/edac/edac_device_sysfs.c
@@ -246,16 +246,6 @@ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
 
         /* Init the devices's kobject */
         memset(&edac_dev->kobj, 0, sizeof(struct kobject));
-        edac_dev->kobj.ktype = &ktype_device_ctrl;
-
-        /* set this new device under the edac_class kobject */
-        edac_dev->kobj.parent = &edac_class->kset.kobj;
-
-        /* generate sysfs "..../edac/<name>"   */
-        debugf4("%s() set name of kobject to: %s\n", __func__, edac_dev->name);
-        err = kobject_set_name(&edac_dev->kobj, "%s", edac_dev->name);
-        if (err)
-                goto err_out;
 
         /* Record which module 'owns' this control structure
          * and bump the ref count of the module
@@ -268,12 +258,15 @@ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
         }
 
         /* register */
-        err = kobject_register(&edac_dev->kobj);
+        err = kobject_init_and_add(&edac_dev->kobj, &ktype_device_ctrl,
+                                   &edac_class->kset.kobj,
+                                   "%s", edac_dev->name);
         if (err) {
                 debugf1("%s()Failed to register '.../edac/%s'\n",
                         __func__, edac_dev->name);
                 goto err_kobj_reg;
         }
+        kobject_uevent(&edac_dev->kobj, KOBJ_ADD);
 
         /* At this point, to 'free' the control struct,
          * edac_device_unregister_sysfs_main_kobj() must be used
@@ -533,12 +526,6 @@ static int edac_device_create_block(struct edac_device_ctl_info *edac_dev,
 
         /* init this block's kobject */
         memset(&block->kobj, 0, sizeof(struct kobject));
-        block->kobj.parent = &instance->kobj;
-        block->kobj.ktype = &ktype_block_ctrl;
-
-        err = kobject_set_name(&block->kobj, "%s", block->name);
-        if (err)
-                return err;
 
         /* bump the main kobject's reference count for this controller
          * and this instance is dependant on the main
@@ -550,7 +537,9 @@ static int edac_device_create_block(struct edac_device_ctl_info *edac_dev,
         }
 
         /* Add this block's kobject */
-        err = kobject_register(&block->kobj);
+        err = kobject_init_and_add(&block->kobj, &ktype_block_ctrl,
+                                   &instance->kobj,
+                                   "%s", block->name);
         if (err) {
                 debugf1("%s() Failed to register instance '%s'\n",
                         __func__, block->name);
@@ -579,6 +568,7 @@ static int edac_device_create_block(struct edac_device_ctl_info *edac_dev,
                                 goto err_on_attrib;
                 }
         }
+        kobject_uevent(&block->kobj, KOBJ_ADD);
 
         return 0;
 
@@ -637,15 +627,8 @@ static int edac_device_create_instance(struct edac_device_ctl_info *edac_dev,
         /* Init the instance's kobject */
         memset(&instance->kobj, 0, sizeof(struct kobject));
 
-        /* set this new device under the edac_device main kobject */
-        instance->kobj.parent = &edac_dev->kobj;
-        instance->kobj.ktype = &ktype_instance_ctrl;
         instance->ctl = edac_dev;
 
-        err = kobject_set_name(&instance->kobj, "%s", instance->name);
-        if (err)
-                goto err_out;
-
         /* bump the main kobject's reference count for this controller
          * and this instance is dependant on the main
          */
@@ -655,8 +638,9 @@ static int edac_device_create_instance(struct edac_device_ctl_info *edac_dev,
                 goto err_out;
         }
 
-        /* Formally register this instance's kobject */
-        err = kobject_register(&instance->kobj);
+        /* Formally register this instance's kobject under the edac_device */
+        err = kobject_init_and_add(&instance->kobj, &ktype_instance_ctrl,
+                                   &edac_dev->kobj, "%s", instance->name);
         if (err != 0) {
                 debugf2("%s() Failed to register instance '%s'\n",
                         __func__, instance->name);
@@ -679,6 +663,7 @@ static int edac_device_create_instance(struct edac_device_ctl_info *edac_dev,
                         goto err_release_instance_kobj;
                 }
         }
+        kobject_uevent(&instance->kobj, KOBJ_ADD);
 
         debugf4("%s() Registered instance %d '%s' kobject\n",
                 __func__, idx, instance->name);
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 905fcd73c26e..45b1d3633418 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -380,13 +380,6 @@ static int edac_create_csrow_object(struct mem_ctl_info *mci,
         /* generate ..../edac/mc/mc<id>/csrow<index>   */
         memset(&csrow->kobj, 0, sizeof(csrow->kobj));
         csrow->mci = mci;       /* include container up link */
-        csrow->kobj.parent = kobj_mci;
-        csrow->kobj.ktype = &ktype_csrow;
-
-        /* name this instance of csrow<id> */
-        err = kobject_set_name(&csrow->kobj, "csrow%d", index);
-        if (err)
-                goto err_out;
 
         /* bump the mci instance's kobject's ref count */
         kobj = kobject_get(&mci->edac_mci_kobj);
@@ -396,7 +389,8 @@ static int edac_create_csrow_object(struct mem_ctl_info *mci,
         }
 
         /* Instanstiate the csrow object */
-        err = kobject_register(&csrow->kobj);
+        err = kobject_init_and_add(&csrow->kobj, &ktype_csrow, kobj_mci,
+                                   "csrow%d", index);
         if (err)
                 goto err_release_top_kobj;
 
@@ -416,7 +410,7 @@ static int edac_create_csrow_object(struct mem_ctl_info *mci,
                         goto err_out;
                 }
         }
-
+        kobject_uevent(&csrow->kobj, KOBJ_ADD);
         return 0;
 
         /* error unwind stack */
@@ -764,15 +758,6 @@ int edac_mc_register_sysfs_main_kobj(struct mem_ctl_info *mci)
         /* Init the mci's kobject */
         memset(kobj_mci, 0, sizeof(*kobj_mci));
 
-        /* this instance become part of the mc_kset */
-        kobj_mci->kset = &mc_kset;
-        kobj_mci->ktype = &ktype_mci;
-
-        /* set the name of the mc<id> object */
-        err = kobject_set_name(kobj_mci, "mc%d", mci->mc_idx);
-        if (err)
-                goto fail_out;
-
         /* Record which module 'owns' this control structure
          * and bump the ref count of the module
          */
@@ -784,13 +769,18 @@ int edac_mc_register_sysfs_main_kobj(struct mem_ctl_info *mci)
                 goto fail_out;
         }
 
+        /* this instance become part of the mc_kset */
+        kobj_mci->kset = &mc_kset;
+
         /* register the mc<id> kobject to the mc_kset */
-        err = kobject_register(kobj_mci);
+        err = kobject_init_and_add(kobj_mci, &ktype_mci, NULL,
+                                   "mc%d", mci->mc_idx);
         if (err) {
                 debugf1("%s()Failed to register '.../edac/mc%d'\n",
                         __func__, mci->mc_idx);
                 goto kobj_reg_fail;
         }
+        kobject_uevent(kobj_mci, KOBJ_ADD);
 
         /* At this point, to 'free' the control struct,
          * edac_mc_unregister_sysfs_main_kobj() must be used
diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index 69f5dddabddf..834eaa9d6148 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -162,14 +162,6 @@ static int edac_pci_create_instance_kobj(struct edac_pci_ctl_info *pci, int idx)
 
         debugf0("%s()\n", __func__);
 
-        /* Set the parent and the instance's ktype */
-        pci->kobj.parent = &edac_pci_top_main_kobj;
-        pci->kobj.ktype = &ktype_pci_instance;
-
-        err = kobject_set_name(&pci->kobj, "pci%d", idx);
-        if (err)
-                return err;
-
         /* First bump the ref count on the top main kobj, which will
          * track the number of PCI instances we have, and thus nest
          * properly on keeping the module loaded
@@ -181,7 +173,8 @@ static int edac_pci_create_instance_kobj(struct edac_pci_ctl_info *pci, int idx)
         }
 
         /* And now register this new kobject under the main kobj */
-        err = kobject_register(&pci->kobj);
+        err = kobject_init_and_add(&pci->kobj, &ktype_pci_instance,
+                                   &edac_pci_top_main_kobj, "pci%d", idx);
         if (err != 0) {
                 debugf2("%s() failed to register instance pci%d\n",
                         __func__, idx);
@@ -189,6 +182,7 @@ static int edac_pci_create_instance_kobj(struct edac_pci_ctl_info *pci, int idx)
                 goto error_out;
         }
 
+        kobject_uevent(&pci->kobj, KOBJ_ADD);
         debugf1("%s() Register instance 'pci%d' kobject\n", __func__, idx);
 
         return 0;
@@ -364,14 +358,6 @@ int edac_pci_main_kobj_setup(void)
                 goto decrement_count_fail;
         }
 
-        /* Need the kobject hook ups, and name setting */
-        edac_pci_top_main_kobj.ktype = &ktype_edac_pci_main_kobj;
-        edac_pci_top_main_kobj.parent = &edac_class->kset.kobj;
-
-        err = kobject_set_name(&edac_pci_top_main_kobj, "pci");
-        if (err)
-                goto decrement_count_fail;
-
         /* Bump the reference count on this module to ensure the
          * modules isn't unloaded until we deconstruct the top
          * level main kobj for EDAC PCI
@@ -383,23 +369,24 @@ int edac_pci_main_kobj_setup(void)
         }
 
         /* Instanstiate the pci object */
-        /* FIXME: maybe new sysdev_create_subdir() */
-        err = kobject_register(&edac_pci_top_main_kobj);
+        err = kobject_init_and_add(&edac_pci_top_main_kobj, &ktype_edac_pci_main_kobj,
+                                   &edac_class->kset.kobj, "pci");
         if (err) {
                 debugf1("Failed to register '.../edac/pci'\n");
-                goto kobject_register_fail;
+                goto kobject_init_and_add_fail;
         }
 
         /* At this point, to 'release' the top level kobject
          * for EDAC PCI, then edac_pci_main_kobj_teardown()
          * must be used, for resources to be cleaned up properly
          */
+        kobject_uevent(&edac_pci_top_main_kobj, KOBJ_ADD);
         debugf1("Registered '.../edac/pci' kobject\n");
 
         return 0;
 
         /* Error unwind statck */
-kobject_register_fail:
+kobject_init_and_add_fail:
         module_put(THIS_MODULE);
 
 decrement_count_fail: