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Message-ID: <555B5353.2000204@kynesim.co.uk>
Date: Tue, 19 May 2015 16:14:27 +0100
From: Richard Watts <rrw@...esim.co.uk>
To: linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org
Subject: [PATCH 001/003] Attempt to cope with device changes and delayed kobject
deallocation
Expose kobject_get_unless_zero() which will shortly be
needed by get_device_parent().
Signed-off-by: Richard Watts <rrw@...esim.co.uk>
---
include/linux/kobject.h | 1 +
lib/kobject.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 2d61b90..662b136 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -107,6 +107,7 @@ extern int __must_check kobject_rename(struct
kobject *, const char *new_name);
extern int __must_check kobject_move(struct kobject *, struct kobject *);
extern struct kobject *kobject_get(struct kobject *kobj);
+extern struct kobject * __must_check kobject_get_unless_zero(struct
kobject *kobj);
extern void kobject_put(struct kobject *kobj);
extern const void *kobject_namespace(struct kobject *kobj);
diff --git a/lib/kobject.c b/lib/kobject.c
index 3b841b9..3ba1db4 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -586,7 +586,7 @@ struct kobject *kobject_get(struct kobject *kobj)
return kobj;
}
-static struct kobject * __must_check kobject_get_unless_zero(struct
kobject *kobj)
+struct kobject * __must_check kobject_get_unless_zero(struct kobject *kobj)
{
if (!kref_get_unless_zero(&kobj->kref))
kobj = NULL;
--
1.9.1
--
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