diff mbox

[1/5,v2] fs_pin: Fix uninitialized value in fs_pin

Message ID 5561E9E1.4070906@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Kinglong Mee May 24, 2015, 3:10 p.m. UTC 
Without initialized, done in fs_pin at stack space may
contains strange value.

v2, same as v1.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
---
 include/linux/fs_pin.h | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/include/linux/fs_pin.h b/include/linux/fs_pin.h
index 3886b3b..0dde7b7 100644
--- a/include/linux/fs_pin.h
+++ b/include/linux/fs_pin.h
@@ -1,3 +1,6 @@ 
+#ifndef _LINUX_FS_PIN_H
+#define _LINUX_FS_PIN_H
+
 #include <linux/wait.h>
 
 struct fs_pin {
@@ -16,9 +19,12 @@  static inline void init_fs_pin(struct fs_pin *p, void (*kill)(struct fs_pin *))
 	INIT_HLIST_NODE(&p->s_list);
 	INIT_HLIST_NODE(&p->m_list);
 	p->kill = kill;
+	p->done = 0;
 }
 
 void pin_remove(struct fs_pin *);
 void pin_insert_group(struct fs_pin *, struct vfsmount *, struct hlist_head *);
 void pin_insert(struct fs_pin *, struct vfsmount *);
 void pin_kill(struct fs_pin *);
+
+#endif