提交 e6d7202b 编写于 作者: N Namhyung Kim 提交者: Linus Torvalds

fs/char_dev.c: remove unused cdev_index()

Commit 66fa12c5 ("ieee1394: remove the old IEEE 1394 driver stack")
eliminated the only user of cdev_index().  So it can be removed too.
Signed-off-by: NNamhyung Kim <namhyung@gmail.com>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 ceff1a77
......@@ -417,18 +417,6 @@ static int chrdev_open(struct inode *inode, struct file *filp)
return ret;
}
int cdev_index(struct inode *inode)
{
int idx;
struct kobject *kobj;
kobj = kobj_lookup(cdev_map, inode->i_rdev, &idx);
if (!kobj)
return -1;
kobject_put(kobj);
return idx;
}
void cd_forget(struct inode *inode)
{
spin_lock(&cdev_lock);
......@@ -582,7 +570,6 @@ EXPORT_SYMBOL(cdev_init);
EXPORT_SYMBOL(cdev_alloc);
EXPORT_SYMBOL(cdev_del);
EXPORT_SYMBOL(cdev_add);
EXPORT_SYMBOL(cdev_index);
EXPORT_SYMBOL(__register_chrdev);
EXPORT_SYMBOL(__unregister_chrdev);
EXPORT_SYMBOL(directly_mappable_cdev_bdi);
......@@ -28,8 +28,6 @@ int cdev_add(struct cdev *, dev_t, unsigned);
void cdev_del(struct cdev *);
int cdev_index(struct inode *inode);
void cd_forget(struct inode *);
extern struct backing_dev_info directly_mappable_cdev_bdi;
......
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