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path: root/drivers/edac/edac_mc.c
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Diffstat (limited to 'drivers/edac/edac_mc.c')
-rw-r--r--drivers/edac/edac_mc.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 6e4c94e9654a..2d53cb38868a 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -137,6 +137,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows,
void *pvt;
unsigned size;
int row, chn;
+ int err;
/* Figure out the offsets of the various items from the start of an mc
* structure. We want the alignment of each item to be at least as
@@ -149,7 +150,8 @@ struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows,
pvt = edac_align_ptr(&chi[nr_chans * nr_csrows], sz_pvt);
size = ((unsigned long)pvt) + sz_pvt;
- if ((mci = kmalloc(size, GFP_KERNEL)) == NULL)
+ mci = kzalloc(size, GFP_KERNEL);
+ if (mci == NULL)
return NULL;
/* Adjust pointers so they point within the memory we just allocated
@@ -182,20 +184,34 @@ struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows,
mci->op_state = OP_ALLOC;
+ /*
+ * Initialize the 'root' kobj for the edac_mc controller
+ */
+ err = edac_mc_register_sysfs_main_kobj(mci);
+ if (err) {
+ kfree(mci);
+ return NULL;
+ }
+
+ /* at this point, the root kobj is valid, and in order to
+ * 'free' the object, then the function:
+ * edac_mc_unregister_sysfs_main_kobj() must be called
+ * which will perform kobj unregistration and the actual free
+ * will occur during the kobject callback operation
+ */
return mci;
}
-
EXPORT_SYMBOL_GPL(edac_mc_alloc);
/**
- * edac_mc_free: Free a previously allocated 'mci' structure
+ * edac_mc_free
+ * 'Free' a previously allocated 'mci' structure
* @mci: pointer to a struct mem_ctl_info structure
*/
void edac_mc_free(struct mem_ctl_info *mci)
{
- kfree(mci);
+ edac_mc_unregister_sysfs_main_kobj(mci);
}
-
EXPORT_SYMBOL_GPL(edac_mc_free);
static struct mem_ctl_info *find_mci_by_dev(struct device *dev)
@@ -391,7 +407,6 @@ struct mem_ctl_info *edac_mc_find(int idx)
return NULL;
}
-
EXPORT_SYMBOL(edac_mc_find);
/**
@@ -465,7 +480,6 @@ fail0:
mutex_unlock(&mem_ctls_mutex);
return 1;
}
-
EXPORT_SYMBOL_GPL(edac_mc_add_mc);
/**
@@ -501,7 +515,6 @@ struct mem_ctl_info *edac_mc_del_mc(struct device *dev)
mci->mod_name, mci->ctl_name, dev_name(mci));
return mci;
}
-
EXPORT_SYMBOL_GPL(edac_mc_del_mc);
static void edac_mc_scrub_block(unsigned long page, unsigned long offset,
@@ -571,7 +584,6 @@ int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci, unsigned long page)
return row;
}
-
EXPORT_SYMBOL_GPL(edac_mc_find_csrow_by_page);
/* FIXME - setable log (warning/emerg) levels */
@@ -636,7 +648,6 @@ void edac_mc_handle_ce(struct mem_ctl_info *mci,
mci->csrows[row].grain);
}
}
-
EXPORT_SYMBOL_GPL(edac_mc_handle_ce);
void edac_mc_handle_ce_no_info(struct mem_ctl_info *mci, const char *msg)
@@ -648,7 +659,6 @@ void edac_mc_handle_ce_no_info(struct mem_ctl_info *mci, const char *msg)
mci->ce_noinfo_count++;
mci->ce_count++;
}
-
EXPORT_SYMBOL_GPL(edac_mc_handle_ce_no_info);
void edac_mc_handle_ue(struct mem_ctl_info *mci,
@@ -702,7 +712,6 @@ void edac_mc_handle_ue(struct mem_ctl_info *mci,
mci->ue_count++;
mci->csrows[row].ue_count++;
}
-
EXPORT_SYMBOL_GPL(edac_mc_handle_ue);
void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, const char *msg)
@@ -716,7 +725,6 @@ void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, const char *msg)
mci->ue_noinfo_count++;
mci->ue_count++;
}
-
EXPORT_SYMBOL_GPL(edac_mc_handle_ue_no_info);
/*************************************************************
@@ -784,7 +792,6 @@ void edac_mc_handle_fbd_ue(struct mem_ctl_info *mci,
"labels \"%s\": %s\n", csrow, channela,
channelb, labels, msg);
}
-
EXPORT_SYMBOL(edac_mc_handle_fbd_ue);
/*************************************************************
@@ -824,7 +831,6 @@ void edac_mc_handle_fbd_ce(struct mem_ctl_info *mci,
mci->csrows[csrow].ce_count++;
mci->csrows[csrow].channels[channel].ce_count++;
}
-
EXPORT_SYMBOL(edac_mc_handle_fbd_ce);
/*