[PATCH] block: missing module_put in put_disk

[Chun Wu]

From: Chun Wu <chun.wu84@xxxxxxxxx>

module_put function is not called in put_disk function. Should it be added?
 
Signed-off-by: Chun Wu <chun.wu84@xxxxxxxxx>
---
 block/genhd.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/block/genhd.c b/block/genhd.c
index 5fa2b44..91299dc 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1228,6 +1228,13 @@ EXPORT_SYMBOL(get_disk);
 
 void put_disk(struct gendisk *disk)
 {
+#ifdef CONFIG_MODULE_UNLOAD
+	struct module *owner;
+
+	owner = disk->fops->owner;
+	if (owner)
+		module_put(owner);
+#endif
 	if (disk)
 		kobject_put(&disk_to_dev(disk)->kobj);
 }
-- 
1.5.6.5

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