2698 			     struct v4l2_ctrl_helper *helpers,  in prepare_ext_ctrls()  argument
2705 	for (i = 0, h = helpers; i < cs->count; i++, h++) {  in prepare_ext_ctrls()
2765 		helpers[i].mref->helper = NULL;  in prepare_ext_ctrls()
2766 	for (i = 0, h = helpers; i < cs->count; i++, h++) {  in prepare_ext_ctrls()
2803 	struct v4l2_ctrl_helper *helpers = helper;  in v4l2_g_ext_ctrls()  local
2817 		helpers = kmalloc_array(cs->count, sizeof(helper[0]),  in v4l2_g_ext_ctrls()
2819 		if (helpers == NULL)  in v4l2_g_ext_ctrls()
2823 	ret = prepare_ext_ctrls(hdl, cs, helpers, true);  in v4l2_g_ext_ctrls()
2827 		if (helpers[i].ctrl->flags & V4L2_CTRL_FLAG_WRITE_ONLY)  in v4l2_g_ext_ctrls()
2835 		if (helpers[i].mref == NULL)  in v4l2_g_ext_ctrls()
2838 		master = helpers[i].mref->ctrl;  in v4l2_g_ext_ctrls()
2859 						   helpers[idx].ctrl);  in v4l2_g_ext_ctrls()
2860 				idx = helpers[idx].next;  in v4l2_g_ext_ctrls()
2867 		kfree(helpers);  in v4l2_g_ext_ctrls()
3003 			  struct v4l2_ctrl_helper *helpers, bool set)  in validate_ctrls()  argument
3010 		struct v4l2_ctrl *ctrl = helpers[i].ctrl;  in validate_ctrls()
3062 	struct v4l2_ctrl_helper *helpers = helper;  in try_set_ext_ctrls()  local
3076 		helpers = kmalloc_array(cs->count, sizeof(helper[0]),  in try_set_ext_ctrls()
3078 		if (!helpers)  in try_set_ext_ctrls()
3081 	ret = prepare_ext_ctrls(hdl, cs, helpers, false);  in try_set_ext_ctrls()
3083 		ret = validate_ctrls(cs, helpers, set);  in try_set_ext_ctrls()
3090 		if (helpers[i].mref == NULL)  in try_set_ext_ctrls()
3094 		master = helpers[i].mref->ctrl;  in try_set_ext_ctrls()
3117 				if (helpers[tmp_idx].ctrl == master)  in try_set_ext_ctrls()
3119 				tmp_idx = helpers[tmp_idx].next;  in try_set_ext_ctrls()
3130 			struct v4l2_ctrl *ctrl = helpers[idx].ctrl;  in try_set_ext_ctrls()
3135 			idx = helpers[idx].next;  in try_set_ext_ctrls()
3146 						helpers[idx].ctrl);  in try_set_ext_ctrls()
3147 				idx = helpers[idx].next;  in try_set_ext_ctrls()
3154 		kfree(helpers);  in try_set_ext_ctrls()