static __kprobes void update_deref_fetch_param(struct deref_fetch_param *data) { if (CHECK_FETCH_FUNCS(deref, data->orig.fn)) update_deref_fetch_param(data->orig.data); else if (CHECK_FETCH_FUNCS(symbol, data->orig.fn)) update_symbol_cache(data->orig.data); }
static struct symbol_cache *alloc_symbol_cache(const char *sym, long offset) { struct symbol_cache *sc; if (!sym || strlen(sym) == 0) return NULL; sc = kzalloc(sizeof(struct symbol_cache), GFP_KERNEL); if (!sc) return NULL; sc->symbol = kstrdup(sym, GFP_KERNEL); if (!sc->symbol) { kfree(sc); return NULL; } sc->offset = offset; update_symbol_cache(sc); return sc; }