commit 577c4eb09d1034d0739e3135fd2cff50588024be
author Theodore Ts'o <tytso@mit.edu> Wed Sep 27 01:50:49 2006 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Wed Sep 27 08:26:17 2006 -0700
tree 2eb22d60a62d013f300729ee563d1fe61f544da9
parent eaf796e7ef6014f208c409b2b14fddcfaafe7e3a

[PATCH] inode-diet: Move i_cdev into a union

Move the i_cdev pointer in struct inode into a union.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/file_table.c

diff --git a/fs/file_table.c b/fs/file_table.c
index 0131ba0..bc35a40 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -169,7 +169,7 @@
 	if (file->f_op && file->f_op->release)
 		file->f_op->release(inode, file);
 	security_file_free(file);
-	if (unlikely(inode->i_cdev != NULL))
+	if (unlikely(S_ISCHR(inode->i_mode) && inode->i_cdev != NULL))
 		cdev_put(inode->i_cdev);
 	fops_put(file->f_op);
 	if (file->f_mode & FMODE_WRITE)