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/arch/blackfin/kernel/cplbinfo.c b/arch/blackfin/kernel/cplbinfo.c
index e1d0b24c6070..404045dcc5e4 100644
--- a/arch/blackfin/kernel/cplbinfo.c
+++ b/arch/blackfin/kernel/cplbinfo.c
@@ -116,14 +116,12 @@ static const struct seq_operations cplbinfo_sops = {
 
 static int cplbinfo_open(struct inode *inode, struct file *file)
 {
-        struct proc_dir_entry *pde = PDE(file_inode(file));
         char cplb_type;
-        unsigned int cpu;
+        unsigned int cpu = (unsigned long)PDE_DATA(file_inode(file));
         int ret;
         struct seq_file *m;
         struct cplbinfo_data *cdata;
 
-        cpu = (unsigned int)pde->data;
         cplb_type = cpu & CPLBINFO_DCPLB_FLAG ? 'D' : 'I';
         cpu &= ~CPLBINFO_DCPLB_FLAG;