edac_core: Print debug messages at release calls

This is important to track a nasty bug at the free logic.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

3 files changed, 5 insertions, 0 deletions

diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index b10b45cc7870..889ce7566b56 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -235,6 +235,8 @@ EXPORT_SYMBOL_GPL(edac_mc_alloc);
  */
 void edac_mc_free(struct mem_ctl_info *mci)
 {
+        debugf1("%s()\n", __func__);
+
         edac_mc_unregister_sysfs_main_kobj(mci);
 }
 EXPORT_SYMBOL_GPL(edac_mc_free);
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 7024b873a3b9..ddd765253630 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -712,6 +712,8 @@ fail_out:
  */
 void edac_mc_unregister_sysfs_main_kobj(struct mem_ctl_info *mci)
 {
+        debugf1("%s()\n", __func__);
+
         /* delete the kobj from the mc_kset */
         kobject_put(&mci->edac_mci_kobj);
 }
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 11c61b4d8149..b0559973c66f 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -2086,6 +2086,7 @@ static void __devexit i7core_remove(struct pci_dev *pdev)
                         edac_mc_del_mc(&i7core_dev->pdev[0]->dev);
 
                         /* Free data */
+                        debugf1("%s: free structs\n");
                         kfree(mci->ctl_name);
                         edac_mc_free(mci);