提交 88efe137 编写于 作者: M Mark Zhan 提交者: Linus Torvalds

rtc-dev: no need to convert file->private_data to rtc device

In rtc-dev.c, when a rtc device is opened, file->private_data is already
attached with the rtc device pointer, so there is no need to call
to_rtc_device() to convert file->private_data to a rtc device pointer.
Acked-by: NAlessandro Zummo <a.zummo@towertech.it>
Signed-off-by: NMark Zhan <rongkai.zhan@windriver.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 97144c67
...@@ -142,7 +142,7 @@ static int set_uie(struct rtc_device *rtc) ...@@ -142,7 +142,7 @@ static int set_uie(struct rtc_device *rtc)
static ssize_t static ssize_t
rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{ {
struct rtc_device *rtc = to_rtc_device(file->private_data); struct rtc_device *rtc = file->private_data;
DECLARE_WAITQUEUE(wait, current); DECLARE_WAITQUEUE(wait, current);
unsigned long data; unsigned long data;
...@@ -196,7 +196,7 @@ rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) ...@@ -196,7 +196,7 @@ rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
static unsigned int rtc_dev_poll(struct file *file, poll_table *wait) static unsigned int rtc_dev_poll(struct file *file, poll_table *wait)
{ {
struct rtc_device *rtc = to_rtc_device(file->private_data); struct rtc_device *rtc = file->private_data;
unsigned long data; unsigned long data;
poll_wait(file, &rtc->irq_queue, wait); poll_wait(file, &rtc->irq_queue, wait);
...@@ -396,7 +396,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, ...@@ -396,7 +396,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file,
static int rtc_dev_release(struct inode *inode, struct file *file) static int rtc_dev_release(struct inode *inode, struct file *file)
{ {
struct rtc_device *rtc = to_rtc_device(file->private_data); struct rtc_device *rtc = file->private_data;
#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL #ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
clear_uie(rtc); clear_uie(rtc);
...@@ -410,7 +410,7 @@ static int rtc_dev_release(struct inode *inode, struct file *file) ...@@ -410,7 +410,7 @@ static int rtc_dev_release(struct inode *inode, struct file *file)
static int rtc_dev_fasync(int fd, struct file *file, int on) static int rtc_dev_fasync(int fd, struct file *file, int on)
{ {
struct rtc_device *rtc = to_rtc_device(file->private_data); struct rtc_device *rtc = file->private_data;
return fasync_helper(fd, file, on, &rtc->async_queue); return fasync_helper(fd, file, on, &rtc->async_queue);
} }
......
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