Messages in this thread Patch in this message | | | Date | Wed, 09 Jul 2014 08:48:53 +0400 | From | Anton Protopopov <> | Subject | Re: [PATCH] Staging: comedi: check the return value of kobject_set_name |
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09.07.2014 08:28, gregkh пишет: > On Wed, Jul 09, 2014 at 08:24:06AM +0400, Anton Protopopov wrote: >> 2014-06-09 14:01 GMT+04:00 Ian Abbott <abbotti@mev.co.uk>: >>> On 2014-06-07 14:56, Anton Protopopov wrote: >>>> >>>> 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(-) >>> >>> >>> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> >> >> This patch was lost, I guess? > > I don't seem to have it anymore in my inbox, please resend. > > greg k-h >
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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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