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Commit e53252d97e670a38b1d2e9723b48077bba11ddda

Authored by Akinobu Mita
Committed by Linus Torvalds
1 parent 68fc4fabca
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

unregister_chrdev() return void 

unregister_chrdev() does not return meaningful value.  This patch makes it
return void like most unregister_* functions.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Showing 2 changed files with 2 additions and 3 deletions Side-by-side Diff

... ... @@ -321,14 +321,13 @@
321 321 }
322 322 }
323 323  
324   -int unregister_chrdev(unsigned int major, const char *name)
  324 +void unregister_chrdev(unsigned int major, const char *name)
325 325 {
326 326 struct char_device_struct *cd;
327 327 cd = __unregister_chrdev_region(major, 0, 256);
328 328 if (cd && cd->cdev)
329 329 cdev_del(cd->cdev);
330 330 kfree(cd);
331   - return 0;
332 331 }
333 332  
334 333 static DEFINE_SPINLOCK(cdev_lock);
... ... @@ -1463,7 +1463,7 @@
1463 1463 extern int register_chrdev_region(dev_t, unsigned, const char *);
1464 1464 extern int register_chrdev(unsigned int, const char *,
1465 1465 const struct file_operations *);
1466   -extern int unregister_chrdev(unsigned int, const char *);
  1466 +extern void unregister_chrdev(unsigned int, const char *);
1467 1467 extern void unregister_chrdev_region(dev_t, unsigned);
1468 1468 extern int chrdev_open(struct inode *, struct file *);
1469 1469 extern void chrdev_show(struct seq_file *,off_t);