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path: root/drivers/edac/edac_mc_sysfs.c
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Diffstat (limited to 'drivers/edac/edac_mc_sysfs.c')
-rw-r--r--drivers/edac/edac_mc_sysfs.c39
1 files changed, 27 insertions, 12 deletions
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index ed0bc07b8503..de2df92f9c77 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -180,6 +180,9 @@ static ssize_t csrow_size_show(struct device *dev,
int i;
u32 nr_pages = 0;
+ if (csrow->mci->csbased)
+ return sprintf(data, "%u\n", PAGES_TO_MiB(csrow->nr_pages));
+
for (i = 0; i < csrow->nr_channels; i++)
nr_pages += csrow->channels[i]->dimm->nr_pages;
return sprintf(data, "%u\n", PAGES_TO_MiB(nr_pages));
@@ -373,6 +376,7 @@ static int edac_create_csrow_object(struct mem_ctl_info *mci,
csrow->dev.bus = &mci->bus;
device_initialize(&csrow->dev);
csrow->dev.parent = &mci->dev;
+ csrow->mci = mci;
dev_set_name(&csrow->dev, "csrow%d", index);
dev_set_drvdata(&csrow->dev, csrow);
@@ -777,10 +781,14 @@ static ssize_t mci_size_mb_show(struct device *dev,
for (csrow_idx = 0; csrow_idx < mci->nr_csrows; csrow_idx++) {
struct csrow_info *csrow = mci->csrows[csrow_idx];
- for (j = 0; j < csrow->nr_channels; j++) {
- struct dimm_info *dimm = csrow->channels[j]->dimm;
+ if (csrow->mci->csbased) {
+ total_pages += csrow->nr_pages;
+ } else {
+ for (j = 0; j < csrow->nr_channels; j++) {
+ struct dimm_info *dimm = csrow->channels[j]->dimm;
- total_pages += dimm->nr_pages;
+ total_pages += dimm->nr_pages;
+ }
}
}
@@ -838,14 +846,8 @@ static ssize_t edac_fake_inject_write(struct file *file,
return count;
}
-static int debugfs_open(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
static const struct file_operations debug_fake_inject_fops = {
- .open = debugfs_open,
+ .open = simple_open,
.write = edac_fake_inject_write,
.llseek = generic_file_llseek,
};
@@ -1124,10 +1126,15 @@ int __init edac_mc_sysfs_init(void)
edac_subsys = edac_get_sysfs_subsys();
if (edac_subsys == NULL) {
edac_dbg(1, "no edac_subsys\n");
- return -EINVAL;
+ err = -EINVAL;
+ goto out;
}
mci_pdev = kzalloc(sizeof(*mci_pdev), GFP_KERNEL);
+ if (!mci_pdev) {
+ err = -ENOMEM;
+ goto out_put_sysfs;
+ }
mci_pdev->bus = edac_subsys;
mci_pdev->type = &mc_attr_type;
@@ -1136,11 +1143,18 @@ int __init edac_mc_sysfs_init(void)
err = device_add(mci_pdev);
if (err < 0)
- return err;
+ goto out_dev_free;
edac_dbg(0, "device %s created\n", dev_name(mci_pdev));
return 0;
+
+ out_dev_free:
+ kfree(mci_pdev);
+ out_put_sysfs:
+ edac_put_sysfs_subsys();
+ out:
+ return err;
}
void __exit edac_mc_sysfs_exit(void)
@@ -1148,4 +1162,5 @@ void __exit edac_mc_sysfs_exit(void)
put_device(mci_pdev);
device_del(mci_pdev);
edac_put_sysfs_subsys();
+ kfree(mci_pdev);
}