diff options
| -rw-r--r-- | lib/dynamic_debug.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index dbf2b457e47e..8274c4ea75e0 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -847,17 +847,17 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n, const char *name) { struct ddebug_table *dt; - const char *new_name; dt = kzalloc(sizeof(*dt), GFP_KERNEL); if (dt == NULL) return -ENOMEM; - new_name = kstrdup_const(name, GFP_KERNEL); - if (new_name == NULL) { - kfree(dt); - return -ENOMEM; - } - dt->mod_name = new_name; + /* + * For built-in modules, name lives in .rodata and is + * immortal. For loaded modules, name points at the name[] + * member of struct module, which lives at least as long as + * this struct ddebug_table. + */ + dt->mod_name = name; dt->num_ddebugs = n; dt->ddebugs = tab; @@ -913,7 +913,6 @@ int ddebug_dyndbg_module_param_cb(char *param, char *val, const char *module) static void ddebug_table_free(struct ddebug_table *dt) { list_del_init(&dt->link); - kfree_const(dt->mod_name); kfree(dt); } |