Undo effects of misc_register if driver's init fails after
misc_register.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dev->pipes_capacity = INITIAL_PIPES_CAPACITY;
dev->pipes = kcalloc(dev->pipes_capacity, sizeof(*dev->pipes),
GFP_KERNEL);
- if (!dev->pipes)
+ if (!dev->pipes) {
+ misc_deregister(&dev->miscdev);
return -ENOMEM;
+ }
/*
* We're going to pass two buffers, open_command_params and
__get_free_page(GFP_KERNEL);
if (!dev->buffers) {
kfree(dev->pipes);
+ misc_deregister(&dev->miscdev);
return -ENOMEM;
}