Most of parport_register_dev_model() callers pass a 'name' that is a
constant string.
So kstrdup_const() can be used to save the duplication of this string
when it is not needed. This saves a few bytes of memory.
Use kfree_const() accordingly when this string is freed.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/0eba5f2ddd142ab0f577f67e482d1152b40ee720.1700860416.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
{
struct pardevice *par_dev = to_pardevice(dev);
- kfree(par_dev->name);
+ kfree_const(par_dev->name);
kfree(par_dev);
}
const struct pardev_cb *par_dev_cb, int id)
{
struct pardevice *par_dev;
+ const char *devname;
int ret;
- char *devname;
if (port->physport->flags & PARPORT_FLAG_EXCL) {
/* An exclusive device is registered. */
if (!par_dev->state)
goto err_put_par_dev;
- devname = kstrdup(name, GFP_KERNEL);
+ devname = kstrdup_const(name, GFP_KERNEL);
if (!devname)
goto err_free_par_dev;
return par_dev;
err_free_devname:
- kfree(devname);
+ kfree_const(devname);
err_free_par_dev:
kfree(par_dev->state);
err_put_par_dev: