rtc: fix module reference count in rtc-proc

rtc-proc.c is not built as a module. Thus, rather than dealing with
THIS_MODULE's reference count, we should deal with rtc->owner's
reference count.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c
index ffa69e1c9245446a9d7d2f65eaf81f86a1994633..31e7e23cc5be7b560eb6ff3c58078a2c6c01f63d 100644 (file)
--- a/drivers/rtc/rtc-proc.c
+++ b/drivers/rtc/rtc-proc.c
@@ -112,19 +112,21 @@ static int rtc_proc_open(struct inode *inode, struct file *file)
        int ret;
        struct rtc_device *rtc = PDE_DATA(inode);
 
-       if (!try_module_get(THIS_MODULE))
+       if (!try_module_get(rtc->owner))
                return -ENODEV;
 
        ret = single_open(file, rtc_proc_show, rtc);
        if (ret)
-               module_put(THIS_MODULE);
+               module_put(rtc->owner);
        return ret;
 }
 
 static int rtc_proc_release(struct inode *inode, struct file *file)
 {
        int res = single_release(inode, file);
-       module_put(THIS_MODULE);
+       struct rtc_device *rtc = PDE_DATA(inode);
+
+       module_put(rtc->owner);
        return res;
 }