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, 1 deletions

diff --git a/arch/arm/kernel/atags_proc.c b/arch/arm/kernel/atags_proc.c
index 8c00f75bf1ab..c7ff8073416f 100644
--- a/arch/arm/kernel/atags_proc.c
+++ b/arch/arm/kernel/atags_proc.c
@@ -12,7 +12,7 @@ struct buffer {
 static ssize_t atags_read(struct file *file, char __user *buf,
 			  size_t count, loff_t *ppos)
 {
-	struct buffer *b = PDE(file_inode(file))->data;
+	struct buffer *b = PDE_DATA(file_inode(file));
 	return simple_read_from_buffer(buf, count, ppos, b->data, b->size);
 }