procfs: new helper - PDE_DATA(inode)
The only part of proc_dir_entry the code outside of fs/proc
really cares about is PDE(inode)->data. Provide a helper
for that; static inline for now, eventually will be moved
to fs/proc, along with the knowledge of struct proc_dir_entry
layout.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c
index e96236a..ffa69e1 100644
--- a/drivers/rtc/rtc-proc.c
+++ b/drivers/rtc/rtc-proc.c
@@ -110,7 +110,7 @@
static int rtc_proc_open(struct inode *inode, struct file *file)
{
int ret;
- struct rtc_device *rtc = PDE(inode)->data;
+ struct rtc_device *rtc = PDE_DATA(inode);
if (!try_module_get(THIS_MODULE))
return -ENODEV;
