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-rw-r--r--drivers/block/genhd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/genhd.c b/drivers/block/genhd.c
index 8bbe01d4b48..53f7d846b74 100644
--- a/drivers/block/genhd.c
+++ b/drivers/block/genhd.c
@@ -322,7 +322,7 @@ static ssize_t disk_attr_show(struct kobject *kobj, struct attribute *attr,
struct gendisk *disk = to_disk(kobj);
struct disk_attribute *disk_attr =
container_of(attr,struct disk_attribute,attr);
- ssize_t ret = 0;
+ ssize_t ret = -EIO;
if (disk_attr->show)
ret = disk_attr->show(disk,page);