Added a check of the return value of the kobject_set_name function.
Signed-off-by: Anton Protopopov <a.s.protopopov@xxxxxxxxx>
---
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
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