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-rw-r--r--block/genhd.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 510aac1486cb..9a2d01abfa3b 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1060,8 +1060,19 @@ static struct attribute *disk_attrs[] = {
NULL
};
+static umode_t disk_visible(struct kobject *kobj, struct attribute *a, int n)
+{
+ struct device *dev = container_of(kobj, typeof(*dev), kobj);
+ struct gendisk *disk = dev_to_disk(dev);
+
+ if (a == &dev_attr_badblocks.attr && !disk->bb)
+ return 0;
+ return a->mode;
+}
+
static struct attribute_group disk_attr_group = {
.attrs = disk_attrs,
+ .is_visible = disk_visible,
};
static const struct attribute_group *disk_attr_groups[] = {