diff --git a/include/param.h b/include/param.h index e0c415d4f..21f4f7d83 100644 --- a/include/param.h +++ b/include/param.h @@ -30,6 +30,8 @@ int dev_add_param(struct device_d *dev, const char *name, int dev_add_param_fixed(struct device_d *dev, char *name, char *value); +void dev_remove_param(struct device_d *dev, char *name); + void dev_remove_parameters(struct device_d *dev); int dev_param_set_generic(struct device_d *dev, struct param_d *p, @@ -67,6 +69,8 @@ static inline int dev_add_param_fixed(struct device_d *dev, char *name, char *va return 0; } +static inline void dev_remove_param(struct device_d *dev, char *name) {} + static inline void dev_remove_parameters(struct device_d *dev) {} static inline int dev_param_set_generic(struct device_d *dev, struct param_d *p, diff --git a/lib/parameter.c b/lib/parameter.c index 3ecb48096..152a5dd27 100644 --- a/lib/parameter.c +++ b/lib/parameter.c @@ -212,6 +212,24 @@ int dev_add_param_fixed(struct device_d *dev, char *name, char *value) return 0; } +/** + * dev_remove_param - remove a parameter from a device and free its + * memory + * @param dev The device + * @param name The name of the parameter + */ +void dev_remove_param(struct device_d *dev, char *name) +{ + struct param_d *p = get_param_by_name(dev, name); + + if (p) { + p->set(dev, p, NULL); + list_del(&p->list); + free(p->name); + free(p); + } +} + /** * dev_remove_parameters - remove all parameters from a device and free their * memory