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, 2 insertions, 2 deletions

diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c
index 47ccef7839c9..4a06d70ddf5e 100644
--- a/arch/xtensa/platforms/iss/simdisk.c
+++ b/arch/xtensa/platforms/iss/simdisk.c
@@ -217,7 +217,7 @@ static int simdisk_detach(struct simdisk *dev)
 static ssize_t proc_read_simdisk(struct file *file, char __user *buf,
                         size_t size, loff_t *ppos)
 {
-        struct simdisk *dev = PDE(file_inode(file))->data;
+        struct simdisk *dev = PDE_DATA(file_inode(file));
         char *s = dev->filename;
         if (s) {
                 ssize_t n = simple_read_from_buffer(buf, size, ppos,
@@ -234,7 +234,7 @@ static ssize_t proc_write_simdisk(struct file *file, const char __user *buf,
                         size_t size, loff_t *ppos)
 {
         char *tmp = kmalloc(count + 1, GFP_KERNEL);
-        struct simdisk *dev = PDE(file_inode(file))->data;
+        struct simdisk *dev = PDE_DATA(file_inode(file));
         int err;
 
         if (tmp == NULL)