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>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c
index 73b33837e12c..6d3a602c004b 100644
--- a/drivers/zorro/proc.c
+++ b/drivers/zorro/proc.c
@@ -47,9 +47,7 @@ proc_bus_zorro_lseek(struct file *file, loff_t off, int whence)
 static ssize_t
 proc_bus_zorro_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 zorro_dev *z = dp->data;
+        struct zorro_dev *z = PDE_DATA(file_inode(file));
         struct ConfigDev cd;
         loff_t pos = *ppos;