Messages in this thread Patch in this message | | | From | Anton Protopopov <> | Subject | [PATCH] Staging: comedi: check the return value of kobject_set_name | Date | Wed, 9 Jul 2014 09:12:37 +0400 |
| |
Added a check of the return value of the kobject_set_name function.
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com> --- drivers/staging/comedi/comedi_fops.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index 9d99fb3..dfeefa2 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2597,7 +2597,14 @@ static int __init comedi_init(void) return -EIO; cdev_init(&comedi_cdev, &comedi_fops); comedi_cdev.owner = THIS_MODULE; - kobject_set_name(&comedi_cdev.kobj, "comedi"); + + retval = kobject_set_name(&comedi_cdev.kobj, "comedi"); + if (retval) { + unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), + COMEDI_NUM_MINORS); + return retval; + } + if (cdev_add(&comedi_cdev, MKDEV(COMEDI_MAJOR, 0), COMEDI_NUM_MINORS)) { unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), COMEDI_NUM_MINORS); -- 1.8.3.4
| |