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authorMark Zhan <rongkai.zhan@windriver.com>2007-10-16 01:28:17 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:43:13 -0700
commit88efe137394f58fb5893013e123e4bcf444fd44b (patch)
tree0db4b0a83b48101b52d597efb40d1a117ce1140e
parent97144c67566241db46633727f2860e6428373fe4 (diff)
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: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Mark Zhan <rongkai.zhan@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/rtc/rtc-dev.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 362400db2e8..87d4add6b7f 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -142,7 +142,7 @@ static int set_uie(struct rtc_device *rtc)
static ssize_t
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);
unsigned long data;
@@ -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)
{
- struct rtc_device *rtc = to_rtc_device(file->private_data);
+ struct rtc_device *rtc = file->private_data;
unsigned long data;
poll_wait(file, &rtc->irq_queue, wait);
@@ -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)
{
- struct rtc_device *rtc = to_rtc_device(file->private_data);
+ struct rtc_device *rtc = file->private_data;
#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
clear_uie(rtc);
@@ -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)
{
- 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);
}