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/net/ipv4/udp.c b/net/ipv4/udp.c
index 0a073a2..d272643 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2093,7 +2093,7 @@
int udp_seq_open(struct inode *inode, struct file *file)
{
- struct udp_seq_afinfo *afinfo = PDE(inode)->data;
+ struct udp_seq_afinfo *afinfo = PDE_DATA(inode);
struct udp_iter_state *s;
int err;