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/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index d09203c63264..fc55a1c79bd9 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2580,7 +2580,7 @@ static void tcp_seq_stop(struct seq_file *seq, void *v)
 
 int tcp_seq_open(struct inode *inode, struct file *file)
 {
-        struct tcp_seq_afinfo *afinfo = PDE(inode)->data;
+        struct tcp_seq_afinfo *afinfo = PDE_DATA(inode);
         struct tcp_iter_state *s;
         int err;