EDAC: Remove edac_get_sysfs_subsys() error handling

It cannot fail now. We either load EDAC core after having successfully
initialized edac_subsys or we don't.

Signed-off-by: Borislav Petkov <bp@suse.de>

3 files changed, 2 insertions, 24 deletions

diff --git a/drivers/edac/edac_device_sysfs.c b/drivers/edac/edac_device_sysfs.c
index 170527165374..93da1a45c716 100644
--- a/drivers/edac/edac_device_sysfs.c
+++ b/drivers/edac/edac_device_sysfs.c
@@ -237,11 +237,6 @@ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
 
         /* get the /sys/devices/system/edac reference */
         edac_subsys = edac_get_sysfs_subsys();
-        if (edac_subsys == NULL) {
-                edac_dbg(1, "no edac_subsys error\n");
-                err = -ENODEV;
-                goto err_out;
-        }
 
         /* Point to the 'edac_subsys' this instance 'reports' to */
         edac_dev->edac_subsys = edac_subsys;
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 1c79ae3e083a..26e65ab5932a 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -1025,24 +1025,15 @@ static struct device_type mc_attr_type = {
  */
 int __init edac_mc_sysfs_init(void)
 {
-        struct bus_type *edac_subsys;
         int err;
 
-        /* get the /sys/devices/system/edac subsys reference */
-        edac_subsys = edac_get_sysfs_subsys();
-        if (edac_subsys == NULL) {
-                edac_dbg(1, "no edac_subsys\n");
-                err = -EINVAL;
-                goto out;
-        }
-
         mci_pdev = kzalloc(sizeof(*mci_pdev), GFP_KERNEL);
         if (!mci_pdev) {
                 err = -ENOMEM;
                 goto out;
         }
 
-        mci_pdev->bus = edac_subsys;
+        mci_pdev->bus = edac_get_sysfs_subsys();
         mci_pdev->type = &mc_attr_type;
         device_initialize(mci_pdev);
         dev_set_name(mci_pdev, "mc");
diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index 262f56cca9ff..6e3428ba400f 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -331,10 +331,7 @@ static struct kobj_type ktype_edac_pci_main_kobj = {
 };
 
 /**
- * edac_pci_main_kobj_setup()
- *
- *      setup the sysfs for EDAC PCI attributes
- *      assumes edac_subsys has already been initialized
+ * edac_pci_main_kobj_setup: Setup the sysfs for EDAC PCI attributes.
  */
 static int edac_pci_main_kobj_setup(void)
 {
@@ -351,11 +348,6 @@ static int edac_pci_main_kobj_setup(void)
          * controls and attributes
          */
         edac_subsys = edac_get_sysfs_subsys();
-        if (edac_subsys == NULL) {
-                edac_dbg(1, "no edac_subsys\n");
-                err = -ENODEV;
-                goto decrement_count_fail;
-        }
 
         /* Bump the reference count on this module to ensure the
          * modules isn't unloaded until we deconstruct the top