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Commit e6d7202b authored by Namhyung Kim's avatar Namhyung Kim Committed by Linus Torvalds
Browse files

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: default avatarNamhyung Kim <namhyung@gmail.com>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ceff1a77

fs/char_dev.c

+0 −13
Original line number Diff line number Diff line
@@ -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);

include/linux/cdev.h

+0 −2
Original line number Diff line number Diff line
@@ -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;