edac: better report error conditions in debug mode

It is hard to find what's wrong without a proper error
report. Improve it, in debug mode.

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

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 963a91edb259..4f4b6137d74e 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -429,8 +429,12 @@ static int edac_create_csrow_objects(struct mem_ctl_info *mci)
                 if (!nr_pages_per_csrow(csrow))
                         continue;
                 err = edac_create_csrow_object(mci, mci->csrows[i], i);
-                if (err < 0)
+                if (err < 0) {
+                        edac_dbg(1,
+                                 "failure: create csrow objects for csrow %d\n",
+                                 i);
                         goto error;
+                }
         }
         return 0;
 
@@ -999,6 +1003,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
         edac_dbg(0, "creating device %s\n", dev_name(&mci->dev));
         err = device_add(&mci->dev);
         if (err < 0) {
+                edac_dbg(1, "failure: create device %s\n", dev_name(&mci->dev));
                 bus_unregister(&mci->bus);
                 kfree(mci->bus.name);
                 return err;