On Thu, Aug 18, 2016 at 02:05:27PM +0200, Christian Gromm wrote: > This patch passes the error code returned by function > alloc_chrdev_region(). It is needed to stop the module > from hiding the actual cause of failure. > > Signed-off-by: Christian Gromm <christian.gromm@xxxxxxxxxxxxx> > --- > drivers/staging/most/aim-cdev/cdev.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c > index 20e2839..48d97bf 100644 > --- a/drivers/staging/most/aim-cdev/cdev.c > +++ b/drivers/staging/most/aim-cdev/cdev.c > @@ -507,8 +507,9 @@ static int __init mod_init(void) > spin_lock_init(&ch_list_lock); > ida_init(&minor_id); > > - if (alloc_chrdev_region(&aim_devno, 0, 50, "cdev") < 0) > - return -ENOMEM; > + err = alloc_chrdev_region(&aim_devno, 0, 50, "cdev"); > + if (err < 0) > + return err; You forgot to clean up your idr structure :( _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel