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 <[email protected]>
diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c
index 65f735a..af4d40a 100644
--- a/drivers/pnp/isapnp/proc.c
+++ b/drivers/pnp/isapnp/proc.c
@@ -55,9 +55,7 @@
static ssize_t isapnp_proc_bus_read(struct file *file, char __user * buf,
size_t nbytes, loff_t * ppos)
{
- struct inode *ino = file_inode(file);
- struct proc_dir_entry *dp = PDE(ino);
- struct pnp_dev *dev = dp->data;
+ struct pnp_dev *dev = PDE_DATA(file_inode(file));
int pos = *ppos;
int cnt, size = 256;
